- Unidentified young man, likely Carl A. Mathiasen, sitting in chair at desk with radio equipment. Desk in corner of wallpapered attic room. Desk against right wall. Map and various photos on wall and back of desk. Calendar, pennant, and headphones on left wall. 9AAZ call letter sign on desk. Onawa, Iowa., No date; likely February 1916, Digitizing agency: University of Missouri--Kansas City. Library. Dr. Kenneth J. LaBudde Special Collections., Handwritten note on back: "Radio Station of Carl A. Mathiasen / Onawa, Iowa" (also includes technical notes).
Arthur B. Church - KMBC Radio Collection
Photographs from the collection of owner/operator of KMBC radio and television stations in Kansas City, and creative force behind several syndicated radio shows