Make this simpler: He studied writing at the City College of New York and earned two degrees in Creative Writing there: his B.A. in1975 and M.A. in 1976.
He studied writing at the City College of New York (B.A., 1975; M.A. in Creative Writing, 1976) under Donald Barthelme, Susan Sontag, William S. Burroughs, Frederic Tuten, and others.