Question: What producer who died in 1978 developed American television detective show Mannix?

Related documents: [0]  [DOC] Bruce Bernard Geller (October 13, 1930 – May 21, 1978) was an American lyricist, screenwriter, director, and television producer. [END] 
[1]  [DOC] Mannix is an American television detective series that ran from 1967 to 1975 on CBS. Created by Richard Levinson and William Link and developed by executive producer Bruce Geller, the title character, Joe Mannix, is a private investigator. He is played by Mike Connors. [END]  
Answer: Bruce Geller
Bruce Geller