Vacuum tube computer built in 1952 by the University of Illinois
Memory drum of ILLIAC I, on display at the Spurlock Museum.Alice (Betsy) E. D. Gillies and Donald B. Gillies with the ILLIAC I at the Digital Computer Lab, Urbana Illinois, circa 1958.
The ILLIAC I (Illinois Automatic Computer), a pioneering computer in the ILLIAC series of computers built in 1952 by the University of Illinois, was the first computer built and owned entirely by a United States educational institution.