Joseph John Rochefort, Sr.

https://www.findagrave.com/memorial/60275058/joseph-john-rochefort

https://en.wikipedia.org/wiki/Joseph_Rochefort

Joseph John Rochefort (May 12, 1900 – July 20, 1976) was an American naval officer and cryptanalyst. He was a major figure in the United States Navy's cryptographic and intelligence operations from 1925 to 1946, particularly in the Battle of Midway. His contributions and those of his team were pivotal to victory in the Pacific War. Source: Wikipedia, February 16, 2021.

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CAPT Joseph John Rochefort Sr. FamilySearch Family Tree Birth: May 12 1900 - Dayton, Montgomery, Ohio, United States Death: July 20 1976 - Torrance, Los Angeles, California, United States Parents: Francis Joseph Rochefort, Ellen Rochefort (born Spearman) Wife: Elma Fay Rochefort (born Aery) Son: Joseph John Rochefort Jr. Siblings: Hamilton Francis Rochefort, Francis Patrick Rochefort, Harold Augustus Rochefort, William A Rochefort, Margaret M Rochefort, Charles Clarence Rochefort

In 1986 he was awarded the Distinguished Service Medal posthumously in a ceremony by President Ronald Reagan at the White House. He also received several other posthumous awards that included the Presidential Medal of Freedom and the National Security Agency Hall of Honor.

References include many books and articles. The definitive work is by Elliot Carlson, Joe Rochefort's War, The Odyssey of the Codebreaker Who Outwitted Yamamoto at Midway, published by the Naval Institute Press, 2011. 575 pages.