Carl Menzer was manager of UI radio station WSUI from its inception in 1922 until 1968. The University of Iowa radio station started as WHAA on June 26, 1922 and its call letters were changed to WSUI on January 29, 1925.
The "Little Theater of the Air" performed plays that were broadcast over WSUI in the 1930s; many were written by faculty or students. WSUI is a public radio station operated by the University of Iowa.