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Finding Aids to Oral Histories in the Smithsonian Institution Archives

Record Unit 9537

Development of the Electrical Numerical Integrator and Computer (ENIAC) Videohistory Collection, 1988

Repository:Smithsonian Institution Archives, Washington, D.C. Contact us at
Title:Development of the Electrical Numerical Integrator and Computer (ENIAC) Videohistory Collection
Quantity:2 videotapes (Reference copies). 7 digital .wmv files and .rm files (Reference copies).
Collection:Record Unit 9537
Language of Materials:English

David K. Allison, National Museum of American History, conducted a videotaped interview with Eckert on his involvement with the ENIAC while the ENIAC was on display in the National Museum of American History in an exhibit on the history of computing. Eckert, while at the ENIAC exhibit, discussed his background, the use of calculators for ballistics experiments, materials testing, component design and assembly, and the differences between ENIAC and later computers. Visual documentation includes various components of ENIAC and their operation by Eckert.

Historical Note

The ENIAC (Electrical Numerical Integrator and Computer), the largest and most powerful early computer, was designed to compute the paths of artillery shells, and to solve computational problems in fields such as nuclear physics, aerodynamics, and weather prediction. The U.S. Army Ordnance Department funded The Moore School for Electrical Engineering at the University of Pennsylvania to build the computer between 1943 and 1945. J. Presper Eckert and John W. Mauchly were the principal designers. The ENIAC computed a thousand times faster than any existing device.

J. Presper Eckert (1919-1995) attended the University of Pennsylvania, where he received a B.S. and M.S. in electrical engineering, in 1941 and 1943 respectively. He received an honorary D.Sc. from the same university in 1964. He became chief engineer at The Moore School of the University of Pennsylvania for the ENIAC in 1944 through 1946. In 1946 he became vice president for the Eckert-Mauchly Computer Corporation. He was appointed vice president for the Remington Rand Division of the Sperry Rand Corporation, 1955-1962, and remained in that position when the company became UNIVAC and later UNISYS.

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The Smithsonian Videohistory Program, funded by the Alfred P. Sloan Foundation from 1986 until 1992, used video in historical research. Additional collections have been added since the grant project ended. Videohistory uses the video camera as a historical research tool to record moving visual information. Video works best in historical research when recording people at work in environments, explaining artifacts, demonstrating process, or in group discussion. The experimental program recorded projects that reflected the Institution's concern with the conduct of contemporary science and technology.

Smithsonian historians participated in the program to document visual aspects of their on-going historical research. Projects covered topics in the physical and biological sciences as well as in technological design and manufacture. To capture site, process, and interaction most effectively, projects were taped in offices, factories, quarries, laboratories, observatories, and museums. Resulting footage was duplicated, transcribed, and deposited in the Smithsonian Institution Archives for scholarship, education, and exhibition. The collection is open to qualified researchers.

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Descriptive Entry

In the Computing Gallery, Computers Before 1946, of the National Museum of American History (NMAH) on February 2, 1988, David K. Allison, Curator at NMAH, interviewed J. Presper Eckert about significant aspects of the design, development, and operation of the ENIAC. Specifically, the session documented both technical and non-technical aspects of the design of the ENIAC, including Eckert's engineering background, early uses of calculators to perform ballistics calculations, materials testing, and the assembly of components. Eckert demonstrated the operation of the accumulators, plug-in units, wiring conduits, and function tables with the original artifacts displayed in the gallery.

Much of the session was recorded for inclusion in the Information Age exhibit which opened at NMAH in May 1990. The video producer, Peter Vogt, frequently interrupted or stopped the interview to meet script and exhibit requirements. Therefore, this session has a number of rough cuts for a professional production.

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Preferred Citation

Smithsonian Institution Archives, Record Unit 9537, Development of the Electrical Numerical Integrator and Computer (ENIAC) Videohistory Collection

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Container List


Session 1: February 2, 1988


In the Computing Gallery of NMAH documented J. Presper Eckert's involvement with the design of the ENIAC, c. 1940-1988, including: Eckert's engineering background; early uses of calculators to perform ballistic calculations; materials testing; design and assembly of components; visual demonstration of the operations of the accumulators, plug-in units, wiring conduits, and function tables; discussion of differences between ENIAC and later technologies; additional visuals of the accumulators' rear panels and of calculators used prior to ENIAC development.


Transcript, 1-55 pages of videotape recording, 2 hours, 20 minutes.


Recording of Interview: Total Recording Time: 2 hours, 20 minutes

Original Masters: 7 Beta videotapes
Preservation Masters: 7 Motion jpeg 2000 and 7 mpeg digital files
Dubbing Masters: 3 U-Matic videotapes
Reference Copies: 2 VHS videotapes, 7 Windows Media Video and 7 Real Media digital files