1. Ivan Golac
2. Bit of a trick question as the first black player I think was Alf Charles, a GK in the 1920's or 30's (no doubt one of our historians will confirm). Of more modern times, 1970's onwards I think it was Osher Williams or Tony Sealey (a season or two before Danny Wallace, Reuben Agboola, and Chicken George).
3. No idea...