A drawing of the Atanasoff-Berry Computer showing the drum covers removed. The ABC Computer was built in Physics Hall (Physics Building) at Iowa State University.
The Atanasoff-Berry Computer was completed in 1942 in the basement of Physics Hall at Iowa State University. It was about the size of a desk and weighed more than 700 lbs.
John Vincent Atanasoff is standing next to the Iowa State University mascot, Cy. Dr. Atanasoff is an honored guest at VEISHEA being recognized for his achievement in building the first electronic digital computer in 1930s and early 1940s.
John Vincent Atanasoff standing in front of Atanasoff Hall, named in his honor in 1988. Atanasoff Hall is home to the Department of Computer Science at Iowa State University.
The final report on the application of using punched card equipment to aid in the analysis of complex spectra. The report was co-authored by John V. Atanasoff and A.E. Brandt, who were both assistant professors of mathematics and physics at Iowa State College.
The Iowa Engineering Experiment Station Bulletin 166 titled A mechanical device for the solution of equations involving the Laplacian operator, written by Glenn Murphy and John V. Atanasoff, 1949. The bulletin describes the construction and operation of a device called the Laplaciometer.
Letter from John V. Atanasoff to Warren Weaver of the Rockefeller Foundation regarding progress on his computing machine, July 10, 1940. The letter details Atanasoff's advancements on his computing machine as well as a request for assistance from Weaver.
Letter from John V. Atanasoff to R. M. Bowie of the Hygrade Sylvania Corporation regarding the purchase of vacuum tubes, June 19, 1940. The letter discusses an order of vacuum tubes that were shipped as well as the work that is being done on the computing machine.