Johann Deisenhofer is a German biochemist who, along with Hartmut Michel and Robert Huber, received the Nobel Prize for Chemistry in 1988 for their determination of the first crystal structure of an integral membrane protein, a membrane-bound complex of proteins and co-factors that is essential to photosynthesis. The Nobel Prize in Chemistry 1988, announced October 19, 1988. Johann Deisenhofer, Robert Huber, and Hartmut Michel, “for the determination of the three-dimensional structure of a photosynthetic reaction centre”. Johann Deisenhofer: born 1943, Zusamaltheim, Germany. Robert Huber: born 1937, Munich, Germany. Hartmut Michel: born 1948, Ludwigsburg, West Germany (now Germany). Wiki link Wiki link Wiki link Data: the Nobel Foundation (CC0).