Historical Marker
122 North Howard
Historical marker location:
122 North Howard Street, Indianola, Iowa
( Marker is on North Howard Street north of East Salem Avenue, on the right when traveling north.)
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.