Donald James Cram(April 22, 1919 – June 17, 2001) was an Americanchemistwho shared the 1987Nobel Prize in ChemistrywithJean-Marie LehnandCharles J. Pedersen"for their development and use of molecules with structure-specific interactions of high selectivity." They were the founders of the field ofhost–guest chemistry. Fields: Chemistry Education: Rollins College University of Nebraska Harvard University