Ossie Train

Oswald (Ossie) Train, 8 June 1915 - 22 January 1988.
Train was born in the UK, but was involved in fandom in Philadelphia starting around 1935, when he helped found the Philadelphia Science Fiction Society. He was one of the fans who attended the first SF convention on 22 October 1936. He was the main figure behind Prime Press. In 1968 he founded Oswald Train-- Publisher, which mostly published detective fiction, though it did publish some SF.