Phillip Cooper served as Literary Editor and later the Advertising Manager of the school newspaper, The Lawlor Journal, in 1936. The Internet Movie Database lists a “Philip Cooper” as appearing in four movies from 1931 through 1936.
From the December 3, 1936 Lawlor Journal:
Phillip Cooper was mentioned as in the twelfth grade, senior class.
From the February 11, 1937 Lawlor Journal:
Phillip Cooper is Literary Editor of the Lawlor Journal.
Links to other resources about Philip Cooper:
Internet Movie Database listing:
(Unknown if this is the same person)