People and things Paul Dirac Among these early results, he dis­ On people covered how to handle systems containing many identical electrons — 'Fermi-Dirac' statistics. Martin Blume has been named After visits to Copenhagen and Deputy Director of Brookhaven Gôttingen, Dirac returned to Cam­ National Laboratory. bridge where his attention turned As Brookhaven's Associate Di­ to the unification of the new quan­ rector for Low Energy Physics and tum mechanics with special rela­ Chemistry since 1981, he has been tivity. His theory, including the responsible for the Laboratory's famous equation which bears his programmes in solid state, mate­ name, soon appeared, explaining rials, chemical and nuclear in an elegant way the newly-dis­ sciences. In addition, he has served covered 'spin' property of elec­ as Acting Chairman of the US Na­ trons, but it required the existence tional Synchrotron Light Source of puzzling negative energy solu­ Department since November 1983. tions. He first assumed that the In his new capacity, Martin theory naturally encompassed both Blume will work closely with electrons and protons. This error Brookhaven's Director in the gen­ was quickly rectified, and he pre­ eral administration of the Labora­ dicted the existence of 'anti-elec­ tory. He will continue to have pri­ trons'. In 1932, the positron was mary responsibility for Brookhav­ discovered. en 's research in the basic energy In 1933, he shared the Nobel sciences, including work in such prize with Erwin Schrôdinger. With fields as chemistry, materials, engi­ the antimatter companion of the neering, mathematics, and geo- electron known, he alluded in his sciences. He will also continue as Nobel lecture to the possibility of Acting Chairman of the NSLS until Paul Dirac 'negative protons'. In further inves­ a permanent chairman is desig­ tigations of quantum electromag- nated. On 20 October, one of the few netism, he proposed the existence remaining links with the birth of of magnetic monopoles, a subject Eminent theorist and former CERN quantum mechanics was broken which remains controversial to this Research Director General Leon when Paul Dirac died at the age day. His later researches grappled Van Hove has been named as of 82. In 1923, the young Dirac with the creation and annihilation Brookhaven National Laboratory's arrived in Cambridge after initial of particles, paving the way for first Leland J. Haworth Distin­ training as an engineer. Over the the modern formulation of quantum guished Scientist. The nomination next few years, along with Heisen- electrodynamics. is in memory of Leland J. Haworth, berg, Schrôdinger and others, he Also in 1933, he succeeded to Brookhaven Director from helped mould the new quantum the prestigious Lucasian Chair of 1948-61. mechanics from the old quantum Mathematics at Cambridge, and theory. He recast the formalism in in 1937 he married Mar git Wigner, his own inimitable way, work sister of the famous physicist. At a simple ceremony on 2 Octo­ which was included in his PhD the­ After his retirement from Cam­ ber at the University of Milan, the sis and which was later to stimu­ bridge, Dirac moved to the warmer title of Prof essore Emirito was late many generations of theoreti­ climes of Florida State University, conferred on the Italian physicist cal physicists through his monu­ Tallahassee, but was frequently Giuseppe Occhialini, well known mental book The Principles of seen at international meetings and as one of the leading researchers Quantum Mechanics', a work conferences. from the era of cosmic rays. He which has been compared in its His work will surely be remem­ participated in several historic ex­ stature with Newton's 'Principia'. bered for ever. periments, including the co-discov- 440 CERN Courier, December 1984 ery of the positron with P. M. S. have responsibility for all conven­ new protocol continues the exist­ Blackett in 1933 and the 1947 tional magnet work, drafting ser­ ing collaboration with the Institute study with C. M. Lattes and vice, the machine shop, and mag­ of High Energy Physics in Beijing CF. Powell which revealed that netic measurements as well. Gene and extends it to other Institutions, both pions and muons exist in Fisk will head the continuing SSC in particular those involved in the Nature. magnet work. LEP experiments at CERN. It comes into force on 1 January 1985, for a period of three years. Reorganization at Fermilab Proton beam at Rutherford Apple- ton machine With the primary goal of exploiting Symposium proceedings the new Tevatron facilities for phy­ The first 550 MeV proton bunches sics, Fermilab Director Leon have been successfully extracted The Proceedings of the first ESO- Lederman has announced a ma­ from the new Spallation Neutron CERN Symposium on 'Large Scale nagement reshuffle, effective from Source at the Rutherford Appleton Structure of the Universe, Cosmo­ 1 October. Laboratory, UK, at the first at­ logy and Fundamental Physics', Three new Associate Directors tempt. The extracted proton beam held at CERN in November 1983 have been named — James Bjork- will soon be guided onto the uran­ (see January/February issue, page en for Physics, Bruce Chrisman for ium target to produce the first neu­ 3) are now available. The Proceed­ Administration, and Dick Lundy trons. ings were edited by G. Setti and for Technology. Phil Livdahl will L. Van Hove and copies can be continue to serve as Acting Deputy obtained from K. Kjar, Publication Director but will devote much of Service, European Southern Obser­ his time to technical problems in Synchrotron radiation in Taiwan vatory, Karl-Schwartzschild-Strasse the Accelerator Division. 2, D-8046 Garching bei Munchen, Peter Koehler, formerly head of Lee Ten g of Fermilab has been Federal Republic of Germany, at the Research Division, will join the appointed Director of Taiwan's DM 35 per copy including postage Accelerator Division as Associate recently founded $30 million and packing. Division Head, responsible for pro­ Synchrotron Radiation Research viding support for the DO project Centre, the island's first major (see May issue, page 147) and large scale research project. Teng 1985 Particle Accelerator Main Ring tunnel experiments other will be assisted by Thomas Conference than the main Collider Detector. K. C. Liu as Deputy Director. Ken Stanfield, formerly Head of The 96 m circumference electron the Business Office, will take storage ring will have an energy The next Particle Accelerator Con­ Peter's place as Head of the Re­ of about 1.5 GeV, with beam in­ ference will be held in Vancouver, search Division. Jim Finks has been jected at 250 MeV from a 40 m Canada, from 13-16 May 1985, appointed Business Manager. linac, and is scheduled for comple­ organized by the TRIUMF Labora­ Tom Kirk will succeed Drasko tion in five years. tory. Following the 1983 Santa Fe Jovanovic as Head of the Physics Conference, it will be the 11th in Department, in addition to continu­ this biennial series devoted to all ing as Manager of the Tevatron II aspects of accelerator science, project. Tom's Deputy Head will Chinese protocol engineering and technology. Reg­ be Dan Green. ular attendees should note that Paul Mantsch will replace Dick A Protocol on cooperation be­ the meeting has been extended to Lundy as the head of the Technical tween CERN and the Chinese four days and is being held two Support section. Paul has been Academy of Sciences was signed months later than usual. Detailed concentrating recently on the de­ at CERN on 18 October by Zhao information from the Arrangements sign of prototype magnets for the Guangzhao, a Vice-President of Chairman, J. J. Bugerjon, TRIUMF, Superconducting Super Collider the Academy, and CERN Director 4004 Wesbrook Mall, Vancouver, (SSC). In his new role, Paul will General Herwig Schopper. The BC V6T2A3, Canada. CERN Courier, December 1984 441 A lighter moment during the CERN Accelerator School at Gif-sur-Yvette. Meetings The 1985 International Symposium on Lepton and Photon Interactions at High Energies will be held in the Kyoto International Conference Hall, Kyoto, Japan, from 19-24 August 1985. It will be sponsored by IUPAP, the Science Council of Japan and the Physical Society of Japan. The host institutions are the Research Institute for Funda­ mental Physics and Department ified people. Attendance, however, longitudinal beam dynamics. Some of Physics, Kyoto University. Chair­ will be limited to about 130. Furth­ special topics were resonances, man of the Organizing Committee er information from Mrs. S. Von coupling, transition, injection, ex­ is Yoshio Yamaguchi of INS, Uni­ Wartburg, Secretary of the CERN traction, coherent instabilities, dy­ versity of Tokyo, and further infor­ Accelerator School, CERN, 1211 namics of radiating particles and mation is available from the Con­ Geneva 23, Switzerland. space-charge image forces. These ference Secretariat, Research Insti­ were complemented by seminars tute for Fundamental Physics, Kyo­ on the advanced technology used to University, Kyoto 606, Japan, 1984 CERN Accelerator School in accelerators for magnets (con­ telephone 075-711-1381, telegram A participant's view ventional and superconducting), RIFPKYOTOU, telex 542 3179 radio-frequency, vacuum and con­ RIFPK, facsimile 075-701-4247. From 3-14 September, the CERN trol. Accelerator School organized To widen our appreciation of Looking further ahead, the XXIII (jointly with the Laboratoire de the accelerator field, seminars were International ('Rochester') Confer­ l'Accélérateur Linéaire, Orsay and also given on accelerator projects, ence on High Energy Physics will the Laboratoire National Saturne, synchrotron light sources, and be held at Berkeley (California) Saclay) a course on General Accel­ medical and industrial applications. from 16-23 July 1986. Following erator Physics at the Ecole Supé­ The sessions ended with lively the style of the most recent such rieure d'Electricité, Gif-sur-Yvette.