Source: The Broadcaster, December 1, 1927, to April 19, 1932 (newsletter published in St. Louis by the Arkansas-Missouri Plant Department, Southwestern Bell Telephone Company)
Location: Frances L. Dewey Papers, Archives
Last Name:Hemker
First Name:R.
Middle Name:L.
Photograph:Yes
Volume:I
Issue:51
Date of Publication:November 24, 1928
Page:1