Began film career as publicist for Walt Disney Studios (date approximate)

Served in US Navy

Became manager of East Coast publicity, 20th Century-Fox (date approximate)

First film as screenwriter and producer, "The Joe Louis Story"

Moved to Cuba for a year to write his first novel, "Maracaibo" (date approximate)

Created first TV series, "Naked City" (also wrote)

Wrote script for Sylvester Stallone starrer "Over the Top"

Returned to screen after nine-year absence to write and produce feature "The Grass Harp"

Final feature credit, contributed to the screenplay of the remake of "Forbidden Planet"