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Planck(plängk), Max Karl Ernst Ludwig 1858-1947.
German physicist. He won a 1918 Nobel Prize for discoveries in connection with quantum theory.
Planck(plæŋk; German plaŋk)
(Biography) Max (Karl Ernst Ludwig) (maks). 1858–1947, German physicist who first formulated the quantum theory (1900): Nobel prize for physics 1918
Max Karl Ernst, 1858–1947, German physicist.