(CNN) -- Writer and producer Larry Gelbart, most known for his work on the hit television series "M*A*S*H," died Friday morning in his Beverly Hills, California, home, his wife said. He was 81. Larry Gelbart said, before "M*A*S*H," a TV set only produced  feeling "if you touched it while you were wet." Gelbart died of cancer, Pat Gelbart said. The family will hold a private memorial service. Throughout his career, Gelbart developed a portfolio of more than 40 works spanning radio, television, theater and film. His fascination with radio as a child inspired him and influenced his evolving career.
@highlight
Gelbart died of cancer at age 81, his wife says
@highlight
Gelbart's film-writing credits include "Tootsie" and "Oh, God!"
@highlight
Gelbart started in radio, moved to TV as writer for Bob Hope
@highlight
He said about "M*A*S*H:"  "We gave the audience permission to feel bad"
Gelbart also was involved in the short-lived sequel, "After @placeholder."