He also worked as a story editor, writing two episodes of The Monkees in late 1967 and in early 1968.

Nephew was born as Neil Bernstein in New York City.

As an actor, Nephew appeared in the film Panic in Year Zero!

[1] In her autobiography, Burstyn tells that Neil was schizophrenic; he had episodes of violence and eventually left her.

[2] Nephew died by suicide in 1978 by jumping from the window of his ninth-floor Manhattan apartment as his schizophrenia began to reach its climax.