From 1948 to 1951, Loos was an assistant professor at Evansville College in Evansville, [[Indiana]]. He received his Ph.D. in history from [[Washington University]] in [[St. Louis]], [[Missouri]]. From 1953 to 1955, he was an instructor of United States history at the John Burroughs School in St. Louis.<ref name=obit/> | From 1948 to 1951, Loos was an assistant professor at Evansville College in Evansville, [[Indiana]]. He received his Ph.D. in history from [[Washington University]] in [[St. Louis]], [[Missouri]]. From 1953 to 1955, he was an instructor of United States history at the John Burroughs School in St. Louis.<ref name=obit/> |