Writer and director Ib Melchior, 97, known for his work on 1950s and '60s science-fiction films such as

Robinson Crusoe on Mars

and

The Angry Red Planet,

died March 14 at his home in West Hollywood, Calif.

Mr. Melchior had been in declining health and died of natural causes, said his manager, Judy Coppage.

He was the son of famed Danish opera tenor Lauritz Melchior but had no ambition to follow in the footsteps of his father.

- L.A. Times