Donald James Cram was an American chemist who shared the 1987 Nobel Prize in Chemistry with Jean-Marie Lehn and Charles J. Pedersen "for their development and use of molecules with structure-specific interactions of high selectivity." They were the founders of the field of host–guest chemistry. The Nobel Prize in Chemistry 1987, announced October 14, 1987. Donald J. Cram, Jean-Marie Lehn, and Charles J. Pedersen, “for their development and use of molecules with structure-specific interactions of high selectivity”. Donald J. Cram: born 1919, Chester, VT, USA. Jean-Marie Lehn: born 1939, Rosheim, France. Charles J. Pedersen: born 1904, Pusan, Korea (now South Korea). Wiki link Wiki link Wiki link Data: the Nobel Foundation (CC0).