Fritz Haber: the Damned Scientist

Total Page:16

File Type:pdf, Size:1020Kb

Fritz Haber: the Damned Scientist Essays DOI: 10.1002/anie.201105425 History of Chemistry Fritz Haber: The Damned Scientist** Magda Dunikowska* and Ludwik Turko* ammonia · poison gas · Haber, Fritz · history of science Dedicated to the Fritz Haber Institute, Berlin, on the occasion of its 100th anniversary A Portrait and a Monograph The even row of portrait photographs of Lower Silesian Nobel Prize winners displayed on the wall of the club Salon S´ la˛ski, or Silesian Salon, one of the citys magic places, right across the street from the Baroque main building of the Wrocław University, is rather unorthodox as far as the standards of picture exhibitions go. Two of the laureates observe the coy interior of the club having assumed postures that are somewhat unusual for respectable learned men: hanging upside down. One of the two is Philipp Lenard, the Figure 2. Haber’s portrait, upside down in Salon Slaski. World War I battlefields. In the gallery of famous people tracing their origins to Wrocław (formally named Breslau), few are as controversial, as complex, or as tragic as Fritz Haber. He was awarded the Nobel Prize in chemistry in 1919 for developing a method for the direct synthesis of ammonia Figure 1. Wrocław Salon Slaski interior with Nobel Prize winners. from its elements: hydrogen and nitrogen. The reaction made possible industrial-scale production of artificial fertilizers to provide grain crops with necessary nitrogen. For hundreds of cathode ray discoverer who subsequently developed the millions around the world, the discovery averted the specter conception of creative “Aryan physics” as opposed to of famine and linked Habers name with the concept of secondary and mendacious “Jewish physics”. The other one “bread from air”. It would be difficult to find a better is Fritz Haber, who invented a method for synthesizing illustration of Alfred Nobels last will, which instructed his ammonia and later pioneered the use of poison gases on heirs to bestow prizes on those who confer the greatest benefit on mankind. Less than a decade after enabling the production of bread [*] L. Turko from air, Fritz Haber pioneered the use of deadly poison gases Institute of Theoretical Physics, University Wrocław on the battlefields of World War I. He personally oversaw the pl. M. Borna 9, 50-205 Wrocław (Poland) first successful chlorine gas attack on the French and English E-mail: [email protected] lines at Ypres in April 1915. His passion and commitment led M. Dunikowska Wrocław (Poland) to the association of Habers name with the notion of “poison E-mail: [email protected] from air”. [**] We are grateful for comments and suggestions kindly provided to us The authors of Microcosm: Portrait of a Central European by Gerhard M. Oremek (Frankfurt), Bretislav Friedrich (Berlin), City, Norman Davies and Roger Moorhouse, dot the is and Adam Jezierski (Wroclaw). cross the ts: “Fritz Haber (1868–1934) … earned the name of 10050 2011 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim Angew. Chem. Int. Ed. 2011, 50, 10050 – 10062 Germanys ”Doctor Death“. After studying in Berlin, he returned to Breslau to take over his fathers business, but tired of merchant life and opted for an academic career. Though largely self-taught, he lectured at the Technical Highschool in Karlsruhe before being appointed Professor of Physical Chemistry … At the outbreak of war in 1914, he placed the institute at the disposal of the government and became involved in the development of chemical weapons. Less than a year later, on 22 April 1915, Haber personally directed the German chlorine gas attack at Ypres. His wife and fellow chemist, Clara Immerwahr, committed suicide in protest at his work, but he pressed on undeterred. He was later to be involved in the development of ”Zyklon B“.[1] In the light of the above, it would seem quite fair and Figure 3. Breslau: Ohlauer Stadtgraben mit Liebichshçhe. proper to hang the Germanys “Doctor Death”, in effigy, not only upside down but also facing the wall. Before doing that, however, and before embarking on an anti-Haberian crusade, science. Its outwardly manifest growth proceeded in a climate replete with easy moralistic indignation,[2] it is worthwhile of immediate industrial-scale application of chemical patents, taking a closer look at this character, in whose story crystal- which was made possible by the collaboration of university lized the key challenges and phobias of his time. To begin laboratories, but in a way evoked echoes of alchemy. The with, it is reasonable to put aside Microcosm, at least as a murky yearning for power promised affluence, unmindful of source of knowledge about Fritz Haber. Describing a the risk of unleashing forces that could spiral out of control graduate of the University of Heidelberg with a Ph.D. in and push the world into the turmoil of destruction. The city, chemistry from Berlin as “self-taught” is rather precarious, at rapidly growing ever prettier, seemed to be inhabited by a least as much as is calling the Technische Hochschule genius loci, a kind of guardian spirit of the place, protecting its Karlsruhe a high school. It would be as appropriate and residents. The genius loci may have been present at the bed of informative to call Polands Szkoła Głwna Handlowa a trade high school or the cole Normale Suprieure in Paris an ordinary high school. In actual fact, this scientist who has become a black legend, his decisions, and his fate deserve a fair and objective analysis for at least two reasons. Firstly, because of the character, talent, and achievements of this extremely complex personality who was a true hero of his time. Secondly, because such analysis provides an opportunity to gain an insight into the beginnings of the era that turned scientists and industri- alists into new political players, that is, our present time. The figure of Fritz Haber, like a lens, brought into focuses all of the tough dilemmas of abandoning the romantic vision of history, still alive during his lifetime. Let us treat him then as a window into the Wrocław/Breslau and the Europe of that time with their conflicts, hopes, and achievements, and into Figure 4. Breslau: Tauentzienplatz. the point where a paradigm shift took place marking one of the major civilizational turning points: the world would never be the same after Habers inventions; much like the world would never be the same after the breakthroughs of his friend Einstein. Todays landscape with millions of shops selling fresh packaged foodstuffs, restaurants and fast-food outlets mushrooming on all continents and even the most remote islands, the landscape that is, as it were, our natural environ- ment, has come into being as a consequence of none other than Habers work. Fritz Haber, a true Breslauer by birth, grew up in a city that was a European microcosm. Microcosm, the title chosen by the authors for the above-cited monograph of the city, aptly captures the essence of the place, including especially the fervor of late 19th century Breslauers. The city, a mixture of ethnicities, cultures, and religions, was torn between the poles of elegant urban culture and faith in the power of Figure 5. Breslau: Kaiser Wilhelm Bridge. Angew. Chem. Int. Ed. 2011, 50, 10050 – 10062 2011 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim www.angewandte.org 10051 Essays a certain Breslau woman in labor who was giving birth to Fritz After Hitlers rise to power, state nationalism was Haber, the father of weapons of mass destruction but also of a supplanted by ethnic nationalism and the German Haber technology used to avert mass famine. Born into a Jewish became the Jew Haber. A year later, having left Germany, he family tracing its roots to Galicia, an area spanning todays died in Basel. At a semi-conspiratorial memorial service held south-eastern Poland and western Ukraine, Fritz Haber was at the Kaiser Wilhelm Society, whose Institute for Physical an intellectual with a posture and personality of a Prussian Chemistry and Electrochemistry Haber had directed since Junker (the landed nobility). His ammonia synthesis not only 1911, another German Nobel Prize winner, Max Planck, made it possible to mass-produce artificial fertilizers but also stressed that without Habers work on ammonia synthesis enabled industrial production of compounds needed to mass- Germany would have lost World War I after just a few months produce explosives. Haber was a fierce German patriot at a both for economic reasons, lack of food, and for military time when state nationalism was a virtue and a commendable reasons, lack of ammunition. It so happens that the reaction attitude. After the outbreak of World War I, he was convinced providing bread from air also makes it possible to produce that the shock caused by chemical weapons would force the explosives. Plancks speech was delivered to a tightly packed Entente to quickly capitulate, thus saving lives. That is where audience, mostly composed of women, professors wives. he was wrong: for over three years, millions of soldiers would They were representing their husbands, who preferred to stay continue to die in the muddy trenches of the Great War. at home choosing “the lesser evil” and “preservation of Chemical weapons, used by all the belligerent countries, did values”. not bring about any breakthrough, and “traditional” weapons were much more efficient in killing people than the chemicals. The latter would not prove their superior efficiency until their Understanding Haber application in German death camps during World War II. There are multiple roads to understanding the extraordi- nary personality of Fritz Haber. Travelling those roads are numerous contemporary historians, biographers, film makers, and artists.[3] Habers name appears in theatre plays, novels and biographies.[4] Just how it continues to intrigue and inspire to this day is evidenced by the Fritz Haber series started a few years ago.
Recommended publications
  • Viewpoint a Fragile Union Between Li and He Atoms
    Physics 6, 42 (2013) Viewpoint A Fragile Union Between Li and He Atoms Bretislav Friedrich Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin, Germany and The Kavli Institute for Theoretical Physics, University of California, Santa Barbara, CA 93106, USA Published April 8, 2013 The LiHe van der Waals molecule has been produced and spectroscopically detected and its binding energy found to only suffice to stabilize a single rotationless vibrational state. Subject Areas: Atomic and Molecular Physics A Viewpoint on: Spectroscopic Detection of the LiHe Molecule Naima Tariq, Nada Al Taisan, Vijay Singh, and Jonathan D. Weinstein Phys. Rev. Lett. 110, 153201 (2013) – Published April 8, 2013 Neutral atoms or molecules can enter into three types (see Fig. 1, also for an energy conversion factor). No of unions that vastly differ in the strength of the bond wonder then that it took decades to demonstrate the ex- between them. While the binding energy of chemically istence of He2 experimentally. The quest for He2 culmi- bound atoms is typically on the order of electron volts nated in the work of Peter Toennies and Wieland Schöl- (eV), hydrogen bonds are about an order of magnitude lkopf from the Max Planck Institute in Göttingen, who or two weaker, and van der Waals forces are weaker still. made use of the matter-wave properties of helium clus- The last arise because of the mutual attraction of electric ters to identify He2 via diffraction of a helium molecular dipoles carried by, or induced in, atoms or molecules, beam from a transmission grating [5]. It took nearly two and their interaction energy is conveniently measured in more decades to establish experimentally the existence kelvins (energy divided by Boltzmann’s constant; there of a second helium-containing diatomic, LiHe, as Naima are about 104 kelvins to an eV).
    [Show full text]
  • The Exacting Task of Bringing Molecules to Attention
    The Exacting Task of Bringing Molecules to Attention Bretislav Friedrich THE EXACTING TASK OF BRINGING MOLECULES TO ATTENTION Molecules are relentlessly dynamic – vibrating, cartwheeling, and zig- zagging in a restless hustle. In order to study molecular properties and interactions, their motions must be tamed to a certain degree. In particular, the ability to make molecules face in a specific direction – to align or orient their axis – is sought in many diverse research areas. Bretislav Friedrich and his team at the Fritz Haber Institute, together with collaborators at Harvard, Purdue, Universität Regensburg, and the Freie Universität Berlin, have devised ways to coerce molecules into alignment and orientation. At the same time, they found exact solutions to the Schrödinger equation for particular strengths of the interactions between molecules and the electromagnetic fields that cause the aligning and orienting. the dipole’s magnitude, μ, the strength of the electric field, ε, and the cosine of the angle θ between the two. As a result, the energy of the electric dipole interaction becomes Vµ = − µ ε cosθ. Had the molecule rotated with kinetic energy T prior to switching on the field, its total energy in the field would then be E = T + Vµ. If the total energy is to remain constant throughout the rotation of the molecule – as it should – the kinetic energy has to become dependent on the angle θ as well. As a result, the rotation in the field proceeds nonuniformly, but still covers the full range of 360° (see Fig. 1b). The case of interest occurs when the permanent electric dipole interaction Vµ is Figure 1 cranked up so high that from some angle θ0 on it exceeds the total energy E (see Fig.
    [Show full text]
  • One Hundred Years of Chemical Warfare: Research
    Bretislav Friedrich · Dieter Hoffmann Jürgen Renn · Florian Schmaltz · Martin Wolf Editors One Hundred Years of Chemical Warfare: Research, Deployment, Consequences One Hundred Years of Chemical Warfare: Research, Deployment, Consequences Bretislav Friedrich • Dieter Hoffmann Jürgen Renn • Florian Schmaltz Martin Wolf Editors One Hundred Years of Chemical Warfare: Research, Deployment, Consequences Editors Bretislav Friedrich Florian Schmaltz Fritz Haber Institute of the Max Planck Max Planck Institute for the History of Society Science Berlin Berlin Germany Germany Dieter Hoffmann Martin Wolf Max Planck Institute for the History of Fritz Haber Institute of the Max Planck Science Society Berlin Berlin Germany Germany Jürgen Renn Max Planck Institute for the History of Science Berlin Germany ISBN 978-3-319-51663-9 ISBN 978-3-319-51664-6 (eBook) DOI 10.1007/978-3-319-51664-6 Library of Congress Control Number: 2017941064 © The Editor(s) (if applicable) and The Author(s) 2017. This book is an open access publication. Open Access This book is licensed under the terms of the Creative Commons Attribution-NonCommercial 2.5 International License (http://creativecommons.org/licenses/by-nc/2.5/), which permits any noncom- mercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made. The images or other third party material in this book are included in the book's Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the book's Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.
    [Show full text]
  • James, Steinhauser, Hoffmann, Friedrich One Hundred Years at The
    James, Steinhauser, Hoffmann, Friedrich One Hundred Years at the Intersection of Chemistry and Physics Published under the auspices of the Board of Directors of the Fritz Haber Institute of the Max Planck Society: Hans-Joachim Freund Gerard Meijer Matthias Scheffler Robert Schlögl Martin Wolf Jeremiah James · Thomas Steinhauser · Dieter Hoffmann · Bretislav Friedrich One Hundred Years at the Intersection of Chemistry and Physics The Fritz Haber Institute of the Max Planck Society 1911–2011 De Gruyter An electronic version of this book is freely available, thanks to the support of libra- ries working with Knowledge Unlatched. KU is a collaborative initiative designed to make high quality books Open Access. More information about the initiative can be found at www.knowledgeunlatched.org Aut ho rs: Dr. Jeremiah James Prof. Dr. Dieter Hoffmann Fritz Haber Institute of the Max Planck Institute for the Max Planck Society History of Science Faradayweg 4–6 Boltzmannstr. 22 14195 Berlin 14195 Berlin [email protected] [email protected] Dr. Thomas Steinhauser Prof. Dr. Bretislav Friedrich Fritz Haber Institute of the Fritz Haber Institute of the Max Planck Society Max Planck Society Faradayweg 4–6 Faradayweg 4–6 14195 Berlin 14195 Berlin [email protected] [email protected] Cover images: Front cover: Kaiser Wilhelm Institute for Physical Chemistry and Electrochemistry, 1913. From left to right, “factory” building, main building, director’s villa, known today as Haber Villa. Back cover: Campus of the Fritz Haber Institute of the Max Planck Society, 2011. The Institute’s his- toric buildings, contiguous with the “Röntgenbau” on their right, house the Departments of Physical Chemistry and Molecular Physics.
    [Show full text]
  • 6Th Congress of the International Society for Theoretical Chemical Physics Book of Abstracts and Program
    6th Congress of the International Society for Theoretical Chemical Physics Book of Abstracts and Program July 19−24, 2008 University of British Columbia Vancouver, Canada Chair: Yan Alexander Wang (Canada) Co-chairs: Erkki Brändas (President of ISTCP, Sweden) Jean Maruani (France) Table of Contents Welcome Message i List of Sponsors ii Committee iii Program 1 Timetable 2 Congress Lectures 3 Symposium Schedule 4 SMS 4 SMD 6 CCT 8 ERD 9 SIN 12 FCS 14 SSS 16 CCU 17 ATS 19 BMS 21 CMS 23 DFT 24 OFD 26 SQT 27 QMC 29 Poster Schedule 31 Poster Session I 31 Poster Session II 32 Poster Session III 33 Abstracts 34 List of Participants 209 Additional Information 222 CRC Press Award for Excellence in Chemical Physics Taylor & Francis Group/CRC Press has generously sponsored a book award, the CRC Press Award for Excellence in Chemical Physics, for poster presentations given by postdoctoral fellows and students at ISTCP-VI. Each awardee will receive one copy of the latest 88th edition of the “CRC Handbook of Chemistry and Physics.” During the Congress Banquet on July 23, three recipients of this book award will be announced. i Welcome It is our great pleasure to welcome you to the Sixth Congress of the International Society for Theoretical Chemical Physics (ISTCP-VI) at the University of British Columbia, Vancouver, Canada. The International Society for Theoretical Chemical Physics (ISTCP) was founded in 1991 by Professor János Ladik, at the University of Erlangen, Germany, together with other prominent scientists. Its aim is to promote all theoretical developments on problems at the frontier between physics and chemistry.
    [Show full text]
  • Obituary for Rudolf Zahradník (1928–2020): “To Do What's Right”
    Theoretical Chemistry Accounts (2021) 140:28 https://doi.org/10.1007/s00214-021-02724-1 EDITORIAL Obituary for Rudolf Zahradník (1928–2020): “To Do What’s Right” Helmut Schwarz1 · Bretislav Friedrich2 Accepted: 20 January 2021 / Published online: 1 March 2021 © The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature 2021 Revolution, in 1989, Rudolf was ready for high ofce both in academia and in government: while the former materialized abundantly, the latter—the state presidency—did not, to the detriment of his country. Rudolf’s scientifc career started in the kitchen of his par- ents’ apartment in Prague—with an explosion (potassium chlorate with sulfur). He was about thirteen then. Instead of banning their only son’s further such activities, Rudolf’s par- ents merely banished them to a more suitable room within their apartment. As he would later reveal, the search for a “universal catalyst” was among Rudolf’s preoccupations, apart from his adventures as a dedicated Boy Scout. After the war—and the end of the Nazi occupation—he studied chemistry at a vocational high school and, in 1948–1952, Rudolf and Milena Zahradník 2016. at Prague’s Institute of Chemical Technology. Among his notable teachers at the Institute were Otto Wichterle (inor- ganic chemistry) and Jaroslav Koutecký (classical theoreti- Rudolf Zahradník, a pioneer of quantum chemistry and the cal physics). In the fnal semester, Rudolf started, on his founding president of the Academy of Sciences (1993) and own, reading up on quantum mechanics—in The Theory of the Learned Society (1994) of the Czech Republic, died on Rate Processes by S.
    [Show full text]
  • The Exacting Task of Bringing Molecules to Attention
    The Exacting Task of Bringing Molecules to Attention Bretislav Friedrich THE EXACTING TASK OF BRINGING MOLECULES TO ATTENTION Molecules are relentlessly dynamic – vibrating, cartwheeling, and zig- zagging in a restless hustle. In order to study molecular properties and interactions, their motions must be tamed to a certain degree. In particular, the ability to make molecules face in a specific direction – to align or orient their axis – is sought in many diverse research areas. Bretislav Friedrich and his team at the Fritz Haber Institute, together with collaborators at Harvard, Purdue, Universität Regensburg, and the Freie Universität Berlin, have devised ways to coerce molecules into alignment and orientation. At the same time, they found exact solutions to the Schrödinger equation for particular strengths of the interactions between molecules and the electromagnetic fields that cause the aligning and orienting. the dipole’s magnitude, μ, the strength of the electric field, ε, and the cosine of the angle θ between the two. As a result, the energy of the electric dipole interaction becomes Vµ = − µ ε cosθ. Had the molecule rotated with kinetic energy T prior to switching on the field, its total energy in the field would then be E = T + Vµ. If the total energy is to remain constant throughout the rotation of the molecule – as it should – the kinetic energy has to become dependent on the angle θ as well. As a result, the rotation in the field proceeds nonuniformly, but still covers the full range of 360° (see Fig. 1b). The case of interest occurs when the permanent electric dipole interaction Vµ is θ Figure 1 cranked up so high that from some angle 0 on it exceeds the total energy E (see Fig.
    [Show full text]
  • Fritz Haber, the Damned Scientist
    Fritz Haber, the damned scientist Magda Dunikowska* and Ludwik Turko+ *e-mail: [email protected] + Institute of Theoretical Physics, University Wrocław, pl. M. Borna 9, 50-205 Wrocław, Poland e-mail: [email protected] A portrait and a monograph The even row of portrait photographs of Lower Silesian Nobel Prize winners displayed on the wall of the club Salon Śląski, or Silesian Salon, one of the city‟s magic places, right across the street from the Baroque main building of the Wrocław University, is rather unorthodox as far as the standards of picture exhibitions go. Two of the laureates observe the cosy interior of the club having assumed postures that are somewhat unusual for respectable learned men: hanging upside down. One of the two is Philipp Lenard, the cathode ray discoverer who subsequently developed the conception of creative „Aryan physics‟ as opposed to secondary and mendacious „Jewish physics‟. The other one is Fritz Haber, who invented a method for synthesizing ammonia and later pioneered the use of poison gases on World War I battlefields. In the gallery of famous people tracing their origins to Wrocław, few are as controversial, as complex, or as tragic as Fritz Haber. He was awarded the Nobel Prize in chemistry in 1919 for developing a method for the direct synthesis of ammonia from its elements: hydrogen and nitrogen. The reaction made possible industrial-scale production of artificial fertilizers to provide grain crops with necessary nitrogen. For hundreds of millions around the world, the discovery averted the spectre of famine and linked Haber‟s name with the concept of „bread from air‟.
    [Show full text]
  • Viewpoint Molecules on a String
    Physics 2, 76 (2009) Viewpoint Molecules on a string Adela Marian and Bretislav Friedrich Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin, Germany Published September 14, 2009 An electric field can be used to pull on molecular hydrogen’s highly excited outer electron to slow down and trap the molecule. Subject Areas: Atomic and Molecular Physics A Viewpoint on: Rydberg-State-Enabled Deceleration and Trapping of Cold Molecules S. D. Hogan, Ch. Seiler and F. Merkt Phys. Rev. Lett. 103, 123001 (2009) – Published September 14, 2009 Over recent decades, atomic and molecular physics to only about a 1% level. As Stephen Hogan, Chris- has blossomed, with much of the work spring- tian Seiler, and Frédéric Merkt from the ETH Zurich ing from new techniques to translationally manipu- show in a paper in Physical Review Letters[1], something late—especially to slow and trap—gaseous atoms and can be done about this: the Stark energy of a molecule molecules. The ensuing study of slow (cold) atoms can be boosted by exciting it to a highly polar Rydberg and molecules has led researchers into uncharted terri- state in which an electron is put in high orbit. After the tories—not just of atomic and molecular physics, but of manner of a puppeteer, an electric field can then pull physics and even chemistry at large. Achieving manip- on the molecule’s Rydberg electron, like pulling on a ulation on the atomic or molecular level requires some string, with the result of manipulating the molecule to hook by which a magnetic or electric field can seize the and holding it at standstill.
    [Show full text]
  • Physics Today
    Physics Today Stern and Gerlach: How a bad cigar helped reorient atomic physics Bretislav Friedrich and Dudley Herschbach Citation: Physics Today 56(12), 53 (2003); doi: 10.1063/1.1650229 View online: http://dx.doi.org/10.1063/1.1650229 View Table of Contents: http://scitation.aip.org/content/aip/magazine/physicstoday/56/12?ver=pdfcov Published by the AIP Publishing This article is copyrighted as indicated in the article. Reuse of AIP content is subject to the terms at: http://scitation.aip.org/termsconditions. Downloaded to IP: 155.247.166.234 On: Sun, 08 Feb 2015 13:12:30 Stern and Gerlach: How a Bad Cigar Helped Reorient Atomic Physics time, which brought them to collabo- The history of the Stern–Gerlach experiment reveals how rate in Frankfurt. We also describe the persistence, accident, and luck can sometimes combine in vicissitudes and reception of the SGE, just the right ways. before and after the discovery of elec- tron spin, and report how cigar smoke led us to a “back-to-the-future” depo- Bretislav Friedrich and Dudley Herschbach sition detector.1 Mindful of the memo- rial plaque at Frankfurt, depicting Stern and Gerlach on opposite sides of he demonstration of space quantization, carried out in their split molecular beam, we also invite readers to reflect TFrankfurt, Germany, in 1922 by Otto Stern and on the later trajectories of these two fine scientists—im- Walther Gerlach, ranks among the dozen or so canonical pelled in opposite directions by the tragic rise to power of experiments that ushered in the heroic age of quantum Adolf Hitler.
    [Show full text]