Principal, John Robert Harris, Architect, Los Angeles, CA, 1931-1942; Captain, U.S. Army Corps of Engineers, 1942-1944; Captain, U.S. Army Reserve, 1944-1945;

In 1955, Harris belonged to the Southern California Chapter of the American Institute of Architects (AIA) and was a Registered Architect in the State of CA; Member, Society of Military Engineers; First President, Architects of San Fernando Valley, Los Angeles, CA.

Coursework, University of Texas (UT), Austin, TX, 1921-23; coursework, University of Southern California (USC), Los Angeles, CA, 1925;

Harris was born on a cattle ranch in Clay County, TX. In 1930, Harris lived in a rented residence at 5756 Lexington Avenue, Los Angeles, CA; he paid $40 per month in rent. Ten years later, the CA State voting records had him living at 4808 Bellflower Street with his wife, Ila.

According to the US Census of 1930, Harris's father had been born in MO, his mother, IL.

Harris married Ila B Harris (born c. 1901 in TN) in 1922; her parents both hailed from TN.

Harris traveled in Europe, 1935 and Mexico, 1937; in 1940, Harris and his wife were registered Democrats. The Social Security Death Index had the following listing for Harris: "HARRIS JOHN R 03/25/1901 GLENNEY M LOS ANGELES(70) Pasadena (includes East Pasadena and Lessanda Park) 10/05/1964 564-26-7438 64 yrs" The birth date listed here (1901) differed from that entered into his biographical entry in the American Architects Directory of 1956 (1900).