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In 1951, Otto Fritz Meyerhof, a renowned German physician and biochemist, passed away. His groundbreaking research centered on cellular metabolism, particularly the role of adenosine triphosphate (ATP) in muscle contraction, earned him the Nobel Prize in Physiology or Medicine in 1922, shared with Archibald Vivian Hill. Meyerhof significantly contributed to our understanding of energy production and utilization within cells.