Ralph A. Simpkins
From Kook Science
Ralph Arlonis Simpkins (January 5, 1907 - October 16, 1959) was an American inventor and entrepreneur. Simpkins was reported to have been working on a perpetual motion machine in early 1929, an invention described as "the pride of his heart," when he was arrested over a grocery store robbery at Omaha, Nebraska.
- "Inventor Turns Robber: Youth Working on Perpetual Motion Scheme Fails in Business; Robs Store.", Omaha World-Herald (Omaha, NB): 14, 17 Feb. 1929, https://www.newspapers.com/article/omaha-world-herald-inventor-turns-robber/133102693/