Born in Pennsylvania on Aug. 25, 1905.  Otterson earned a B.F.A. degree from Yale University and then was associate artist on a mural for the Empire State Bldg.  

From 1932-42 he worked in Hollywood as an art director for various movie studios.  He then served in the Army during WWII.  From 1946-55 he taught at the Los Angeles Art Institute and during the 1960s at UCLA.  Otterson died in Los Angeles on Dec. 22, 1991. 

 Exh: LA AA, 1946 (solo); Nat'l Serigraph Society, 1954 (1st prize); AIC, 1955 (2nd prize); San Francisco Art Association, 1956 (2nd prize); LA City Art Festival, 1958 (1st prize); Int'l Art Show (NYC), 1961 (1st prize); Nat'l Orange Show, 1965 (2nd 
prize); PAFA, 1966; Brussels Int'l, 1972.  

Source: askart.com