Historical Marker

First School House

Historical marker location:
100 East Garfield Street, Clarinda, Iowa
( Marker is on Grant Street east of 16th Street / Glenn Miller Avenue, on the right when traveling east.)
Marker installed: 1927

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.