Suffering from mental illness, he stalked his ex-wife, actress Ellen Burstyn for a number of years. Committed suicide in 1978 by opening the window of his ninth-floor Manhattan apartment and jumping.
Talented writer and story editor (on TV's The Monkees (1965)) whose career began to slide while his wife (Ellen Burstyn)'s career began to rise.
Had an adopted son, Jefferson, with his ex-wife, Ellen Burstyn.