Historical Marker
Carnegie Building
Historical marker location:
124 West Court Avenue, Winterset, Iowa
( Marker is at the intersection of Court Avenue and 2nd Avenue, on the left when traveling west on Court Avenue.)
The first electronic digital computer was built at Iowa State University in the 1930s. The machine, called the Atanasoff-Berry Computer, was invented by John Atanasoff and his graduate student, Clifford Berry.