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Events on Saturday 8 September 1894 1
1821 – 1894Hermann von Helmholtz (1821-1894)Died 8 September 1894, aged 73Helmholtz was a German physicist and physician who made foundational contributions to thermodynamics, optics, acoustics, and the physiology of perception. He formulated an early statement of the conservation of energy. He died in Charlottenburg near Berlin.