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Richard Willstätter, a prominent German chemist renowned for his groundbreaking contributions to the field of biochemistry, passed away on August 3, 1942. His legacy includes the elucidation of the structures and functions of chlorophyll, enzymes, and alkaloids. Willstätter's pioneering work laid the foundation for modern biochemistry, shaping our understanding of the molecular basis of life processes and earning him the esteemed Nobel Prize in Chemistry in 1915.