Jeffries Wyman (June 21, 1901 – November 4, 1995) was an American molecular biologist and biophysicist notable for his research of proteins, amino acids, and on the physical chemistry of hemoglobin,[3][4][5][6][7] including the classic Monod–Wyman–Changeux model.

He graduated summa cum laude from Harvard College in 1923 with a degree in philosophy and biology.

[6] He was a professor of biology at Harvard University (1928–1951),[4] director of a regional science office in the Middle East for Unesco (1955–1958),[5] and a scientist at the Regina Elena and the Biochemistry Institute of the Sapienza University of Rome (1958–1984) before retiring.

Wyman was a member of the National Academy of Sciences and of the American Academy of Arts and Sciences,[6] the first scientific advisor to the US Embassy in Paris,[5] director of a regional science office in the Middle East for UNESCO,[5] a founder and past secretary general of the European Molecular Biology Organization,[3] professor of biology at Harvard.

[4] Harvard University established the Jeffries Wyman Fellowship in his name.