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SEPTEMBER 2000 CORE 1.3 A PUBLICATION OF THE COMPUTER MUSEUM HISTORY CENTER WWW.COMPUTERHISTORY.ORG PAGE 1 September 2000 COA publication ofRE The Computer Museum1.3 History Center IN THIS MISSION ISSUE TO PRESERVE AND PRESENT FOR POSTERITY THE ARTIFACTS AND STORIES OF THE INFORMATION AGE The Museum plans to build a permanent facility in VISION INSIDE FRONT COVER front of historic Hangar One at Moffett Field TO EXPLORE THE COMPUTING REVOLUTION AND ITS MAKING IT HAPPEN IMPACT ON THE HUMAN EXPERIENCE John C Toole 2 MADDIDA: BRIDGE BETWEEN WORLDS Dag Spicer EXECUTIVE STAFF 6 John C Toole THE INTEGRATED CIRCUIT: ORIGINS AND EXECUTIVE DIRECTOR & CEO 2 IMPACTS (REPRINT) MAKING IT HAPPEN Karen Mathews Robert Noyce EXECUTIVE VICE PRESIDENT Eleanor Weber Dickman VICE PRESIDENT OF DEVELOPMENT 10 & PUBLIC RELATIONS FROM THE COLLECTION Dag Spicer, Chris Garcia Our dream of moving the Museum The more we talk to groups and to define, organize and streamline the BOARD OF TRUSTEES forward is stronger than ever. It has individuals, the more we affirm the very fund-raising process. You should already 12 been a very busy quarter. We held our serious need that our mission fulfills! sense a new responsiveness from the 6 RECENT DONATIONS Leonard J Shustek, Chairman Dave House annual Board retreat in June, and in Over the next six to nine months, you staff. All of us welcome your input, VENCRAFT, LLC Christine Hughes 13 September we elected two new will see a number of visible efforts to suggestions, and comments. David L Anderson HIGHWAY 1 FOCUS ON PEOPLE Trustees: Donna Dubinsky of integrate our strategy, development, SENDMAIL Steve Kirsch Eleanor Dickman Handspring and John Mashey of Silicon building, collection, exhibit, and Whether you’ve visited the Museum C Gordon Bell PROPEL SOFTWARE CORPORATION Graphics. We finished our fiscal year volunteer activities. recently or not at all, we hope to see MICROSOFT CORPORATION John Mashey 14 Peggy Burke SILICON GRAPHICS with over $100,000 in the black; and you visit very soon. Some of the new 1185 DESIGN REPORT ON MUSEUM ACTIVITIES enjoyed welcoming a significant number I hope you are also hearing more about interesting artifacts on display include Ike R Nassi Karen Mathews Andrea Cunningham CISCO SYSTEMS 10 of new Core Supporters. Meanwhile, we us in the public sector as well. NASA an original UNIVAC I mercury delay line CITIGATE CUNNINGHAM Suhas Patil grew our artifact collection; watched our held its first round of public information and some vintage IBM unit record Donna Dubinsky TUFAN 16 HANDSPRING OUR SUPPORTER NETWORK volunteer IBM 1620 restoration team meetings in July for local communities, equipment (1930s). Bernard L Peuto Samuel Fuller CONCORD CONSULTING move closer to finishing the project; and presented options for the proposed ANALOG DEVICES refined our “new building” concept; and NASA Research Park. This is a very Finally, we are planning a festive and John William Poduska Sr 17 Eric Hahn ADVANCED VISUAL SYSTEMS DONOR SPOTLIGHT worked closely with NASA as part of exciting project, and we are positioned grand occasion for our annual Fellow INVENTURES GROUP UPCOMING EVENTS F Grant Saviers STAFF LISTING AND CONTACT INFORMATION their proposed research park. In as a prime partner with building space Awards banquet on November 9. Make Gardner Hendrie PRIVATE INVESTOR SIGMA PARTNERS 12 addition, we had a wonderful volunteer just in front of historic Hangar One. We your plans now—it’s a great opportunity John Shoch Peter Hirshberg appreciation party at Len Shustek’s will be reporting to you in the future as to sponsor a table and invite some new ALLOY VENTURES ON THE BACK COVER MYSTERY ITEMS FROM THE COLLECTION home; an elegant donor appreciation we progress in building our permanent people to become part of the Museum Charles H (Chuck) House Pierluigi Zappacosta INTEL CONVERGED DIGITAL PERSONA party at the home of Dave House and home. Of course, keep your eye on our community. In the meantime, Karen COMMUNICATIONS GROUP, DIALOGIC DIVISION Karla Malechek; participated in the website as well—our presence in Mathews, with all your help, is putting Computer Bowl 2000 preview with the cyberspace is going to grow rapidly well together a terrific lecture series program Museum of Science in Boston; and before the Museum opens its new that starts this month—see her column 13 welcomed a constant stream of visitors building. Our unique combination of for the specifics. each week. content, collection, people, and Copyright © 2000, The Computer Museum History Center. All rights enthusiasm differentiates us from many Again, thanks so much for your help! reserved. The Museum is an independent 501 (c) (3) organization, TID# 77-0507525. PO Box 367, Moffett Field, CA 94035. I want to thank everyone again–Board, organizations on the web. Please send us your ideas and staff, volunteers, supporters–for their suggestions, and bring others along to The Computer Museum History Center enthusiastic efforts in helping to define Development activities, now staffed help us build a living legacy of the Building T12-A and evolve our strategies to build a under the direction of Eleanor Weber information age. Moffett Field, CA 94035 +1 650 604 2579 14 lasting legacy of the information age. Dickman, are moving aggressively to +1 650 604 2594 (fax) WWW.COMPUTERHISTORY.ORG JOHN C TOOLE Cover: An early integrated circuit (IC) EXECUTIVE DIRECTOR & CEO PAGE 2 (opposite) The Northrop brochure introducing Maddida MADDIDA: BRIDGE BETWEEN WORLDS DAG SPICER Aside from the Yankees beating the Northrop engineers completed a unique a refrigerator turned on its side, Dodgers in the World Series four games computing machine that showcased MADDIDA was robust, reliable, and to one, 1949 was not a peaceful year Northrop’s skill in addressing its most relatively inexpensive to produce. Due to for most of America and the world in important problem—demanding this size limitation, it did not meet the general. The Berlin Airlift and its numerical calculation. This machine project objectives of a guidance system attendant tensions simmered on, was a pit stop on the road from for SNARK. However, given that in-house Communist forces had invaded the mechanical to electronic methods of engineering teams had great difficulty in Chinese mainland, and the first Soviet calculation that combined old concepts obtaining access to larger mainframe- atomic bomb test had taken place that with new technology. type machines, MADDIDA was August. Pulled in the wake of this immediately put to use for engineering political tide were enormous military Called MADDIDA (MAgnetic Drum work. Northrop staff, like that of every expenditures in armaments and Differential Analyzer), and pronounced other aircraft company, typically used weapon systems, as well as in basic “MAD-DI-DA,” this device of about 900 what can only be described as aeronautical, jet aircraft, and rocket diodes and 50 vacuum tubes started “stockyards” of human “computers” research. out as a project supporting Northrop’s who sat at desks and used mechanical SNARK missile program—essentially an calculators like the popular Friden or Some of the most advanced of such intercontinental cruise missile. Marchant models of the day. The scene research was taking place at Northrop Northrop had hired ENIAC co-designer was right out of Dickens: rows of Aircraft near Los Angeles. In a delightful John Mauchly two years earlier to crewcut young men as far as the eye turn of phrase, Paul Ceruzzi of the provide an on-board guidance computer could see in shirtsleeves and skinny Smithsonian Institution calls Northrop for SNARK. The result was BINAC, a ties filling in calculation sheets month the “midwife of the computer industry,” room-sized behemoth that never worked after month, year after year. Most of alluding to the importance of that reliably. BINAC’s failure prompted the these calculations, as Stanford company’s computational demands MADDIDA project, with Hewlett-Packard professor and aviation pioneer Walter in driving computer development, both building an initial prototype for Northrop Vincenti notes, were for “data at Northrop, and at IBM and UNIVAC, under contract. reduction,” that is, the aggregation of the two major producers of flight test and structural analysis data. computational devices at the time. Although it was still too large to fit This data came in great quantity and at Late that year, a small group of inside a missile, being about the size of great speed—a single aircraft of the PAGE 4 PAGE 5 MADDIDA prototype (1949), X1050.91, Gift of the LA County Museum 1 The storage drum from the MADDIDA prototype MADDIDA 44A (the commercial version of MADDIDA) Control Panel drawing from the Northrop MADDIDA brochure 2 Side view of head and drum assembly References 3 Front view of Northop’s MADDIDA prototype, showing diode matrix 4 Rear view of the MADDIDA prototype Ceruzzi, P. Beyond the Limits: Flight Enters the Computer Age. Cambridge: MIT Press, 1989. 4 PHOTOS BY DAG SPICER Donan, J., Taylor, P. H., Weaver, S. E., Northrop Aircraft, Inc. MADDIDA Preliminary Report. Project MX-775, Report No. GM-545, May 26, 1950, 20 pp. TCMHC # 102626166. “F.P.” Logical Equations for MADDIDA 44A. Revised Sep 21, 1950, 12 pp. TCMHC # 102626265. Northrop Aircraft, Inc. MADDIDA: The New DESK- SIDE Digital Differential Analyzer. Hawthorne: Northrop Aircraft, Inc., Brochure No. 38, December 1950, 19 pp. TCMHC # 102626167. Bashe, C. J., Johnson, L. R., et al. IBM’s Early Computers. Cambridge: MIT Press, see pp. 34-72 and p. 168ff. von Neumann, J. An Adaptation of the MADDIDA, 1 2 3 4 A Digital Differential Analyzer of Northrop Aircraft, Inc. 30 pp. advanced type that Northrop was to industry, research labs, and code is typed into the computer along machines at the time.
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