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OCR: MAX PLANCK (1858 1947) THE GERMAN theoretical physicist Max Planck is regarded as the father quantum theory. He was the first person propose that light neither purely wave nor purely particle but 15 combination both. He suggested that the energy in radi ation was not continuous but was divided into tiny packets, or quanta 1900 he produced formula to describe the size ofa quantum of energy This formula included universal constant Planck' constant. which 15 used to explain the behavior of matter and energy on microscopic scale Planck was awarded the Nobel Prize for physics in 1918 for these discoveries. ALSO STORY peen