Max Planck was the originator of quantum theory, for which he was honored with the 1918 Nobel Prize for physics.
Born in Kiel Germany on April 23, 1858. He received a Phd from Friederich Wilhelms University in Berlin in 1879. Planck was associated with the University of Berlin from 1889 to 1928, when he retired. The discovery of quantum theory revolutionized physics, and the theory was further investigated and used by Einstein and Bohr, among others in the early part of the century.