Reiche, Fritz

Fritz Reiche (Jul 4, 1883 - Jan 14, 1969) was a student of Max Planck and a colleague of Albert Einstein, who was active in, and made important contributions to the early development of quantum mechanics including co-authoring the Thomas-Reiche-Kuhn sum rule. Reiche published more than 55 scientific papers and books including The Quantum Theory. After studying in Germany, Reich emigrated to the United States in 1941 and went on to work with NASA and the United States Navy on projects related to supersonic flow.