John Maurice Fluke, Sr. (14 December 1911 – 11 February 1984) was the founder of Fluke Corporation and the former General Electric employee, a manufacturer of electronic test equipment. Fluke served as an officer in the United States Navy in World War II and worked on shipboard electrical problems for then-Captain Hyman G. Rickover. He received the Legion of Merit for this work. He reached the rank of Commander before leaving the Navy at the war's end.^[1]

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