From the 1944 Mar-Ken Yearbook, Transvia, "Junior Biographies":
BILL BURNSIDE can easily be recognized by his extremely blonde hair. He is a member of the Hollywood Boys Club and keeps everyone wondering where he developed his Charles Atlas build.
Photo of (L-R): Bill Burnside, Pat Roe, Geraldine Sutter, Julie Bayer, Davette deArman, and Val Arnheim. Photo taken by Eric Davidson.