Several of his relatives were also in the photo business, or in the motion picture industry, or broadcast news.
[2] He shot aerial photos of Los Angeles in 1919, and he photographed the St. Francis dam disaster and the Owens River Aqueduct bombing.
[6] He took celebrity and Hollywood photos in the 1920s and 1930s in company with colleagues like Paul Strite, Dick Farrell, and Hyman Fink.
[7] The family archive includes of a photo by Watson of Albert Einstein and Charlie Chaplin together at a movie premiere in the 1920s.
[8] The work of the Watson clan was exhibited in a show at the Los Angeles Science Museum in 1972.