Marion Zimmer Bradley (1930–1999), often abbreviated to MZB, was an American fantasy fiction author. She was also an abuser of children and an enabler of her husband Walter Breen's abuse of children. Breen had been convicted of molestation in 1954 and abused children at speculative fiction conventions from 1962 onwards. Trigger warning for accounts of child abuse and enabling. Stephen Goldin, stepfather of Breen's survivor Kenneth Smith, maintains web information about Breen's abuse and MZB's role in enabling it: