Portrait of Leo Katz standing next to his "Youth Arisen" mural panel. The photograph was taken in the lobby of the Frank Wiggins Trade School (now LA Trade Tech) at the time that he completed his mural panels on the theme of the history of the uses of tools serving the creative and destructive passions of man within the context of the Toltec and Aztec cultures.
Henry B. R. Briggs was the Postmaster of Los Angeles from February 1, 1934 to his death (from pneumonia) on September 28, 1936. Prior to that, he was the publisher and editor of the Los Angeles Record. J. F. Bourne, a long-term postal employee, is mentioned in Los Angeles Times coverage of post office news between 1910 and 1938.
This photograph is similar to one that appears with the caption, "Sixteen Years of Development Above--The latest Fokker plane, a trimotored, ten-passenger machine. Below (left)--Fokker's first plane with the builder at the controls, built in 1911; (right) Mr. and Mrs. A. H. G. Fokker," Los Angeles Times, 02 Nov. 1927: A5