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John Vincent Atanasoff

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Title: Atanasoff-Berry Computer drawing, 1941
Collection Description: 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.

Title: Side view of the Atanasoff-Berry Computer, 1942
Collection Description: A side view of the Atanasoff-Berry Computer. The computer contained 280 vacuum tubes and 31 thyratrons.

Title: Atanasoff-Berry Computer drawing, 1985
Collection Description: A drawing of the Atanasoff-Berry Computer with parts identified, 1985.

Title: View inside the replica of the Atanasoff-Berry Computer
Collection Description: A view inside the replica of the Atanasoff-Berry Computer.

Title: The last remaining part of the Atanasoff-Berry Computer
Collection Description: This drum is all that remains of the Atanasoff-Berry Computer at Iowa State University. The drum is shown with a ruler for purpose of scale.

Title: Part of an Atanasoff-Berry Computer
Collection Description: 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.

Title: John L. Gustafson with the working replica of the Atanasoff-Berry Computer
Collection Description: John Gustafson is standing with the replica of the Atanasoff-Berry Computer. John was part of a team from the Department of Computer Science at Iowa State University that built the replica of the Atanasoff-Berry Computer in 1997.

Title: Physics Hall, 1943
Collection Description: The Atanasoff-Berry Computer was built and stored in the basement of Physics Hall (Physics Building) located at Iowa State University.

Title: Clifford Berry and the original Atanasoff-Berry Computer
Collection Description: Clifford Berry and the original Atanasoff-Berry Computer.

Title: John Vincent Atanasoff
Collection Description: The young John Vincent Atanasoff standing in front of the blackboard.

Title: Atanasoff-Berry Computer frame, circuit installed
Collection Description: The frame for the Atanasoff-Berry Computer with the circuit installed.

Title: Atanasoff-Berry Computer during construction phase
Collection Description: The Atanasoff-Berry Computer taken from John Vincent Atanasoff files during the construction phase. The 280 vacuum tubes served as logic gates.

Title: John Vincent Atanasoff and Cy at VEISHEA, 1974
Collection Description: 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.

Title: John Vincent Atanasoff standing in front of Atanasoff Hall
Collection Description: 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.

Title: John Vincent Atanasoff
Collection Description: John Vincent Atanasoff sitting at his desk at Iowa State University.

Title: Drums of the Atanasoff-Berry computer, Physics
Collection Description: The keyboard and counter drums contained 1600 capacitors each. The capacitors stored charge, acting as a primitive memory unit.

Title: Manual for the Atanasoff-Berry Computer
Collection Description: Manual for the original Atanasoff-Berry Computer build by John Vincent Atanasoff and Clifford Berry.