John Vincent Atanasoff

Atanasoff-Berry Computer original drawing 1430

Computing machine for the solution of large systems of linear algebraic equations

Deposition of Dr. John V. Atanasoff

Legal Decision, 1973

Atanasoff-Berry Computer drawing, 1941

A side view of the Atanasoff-Berry Computer, 1942

Atanasoff-Berry Computer drawing, 1985

The last remaining part of the Atanasoff-Berry Computer

Part of an Atanasoff-Berry Computer

John L. Gustafson with the working replica of the Atanasoff-Berry Computer

Physics Hall, 1943

Clifford Berry and the original Atanasoff-Berry Computer

John Vincent Atanasoff

Atanasoff-Berry Computer frame, circuit installed

John Vincent Atanasoff and Cy at VEISHEA, 1974

John Vincent Atanasoff standing in front of Atanasoff Hall

John Vincent Atanasoff

Dr. John Vincent Atanasoff and his children

Application of punched card equipment to the analysis of complex spectra

A mechanical device for the solution of equations involving the laplacian operator

John V. Atanasoff letter to Warren Weaver of the Rockefeller Foundation regarding progress on his computing machine, July 10, 1940

John V. Atanasoff letter to R. M. Bowie of the Hygrade Sylvania Corporation regarding the purchase of vacuum tubes, June 19, 1940

John V. Atanasoff letter to R. M. Bowie of the Hygrade Sylvania Corporation regarding the purchase of vacuum tubes, July 23, 1940

John V. Atanasoff letter to N. B. Krim of the Raytheon Production Corporation regarding the purchase of vacuum tubes, May 21, 1941