‘GILLIGAN’S ISLAND’, ‘BRADY BUNCH’ CREATOR DIES AT 94

Sherwood Schwartz, the television  genius who created "The Brady Bunch" and "Gilligan's Island" -- and wrote the theme songs  for BOTH shows -- has died ... TMZ has learned.

Schwartz is a TV legend -- back in 1961, he won an Emmy for his work as a writer on "The Red Skelton Show."