Judith Graham Pool (1919-1975) was a researcher who made an important discovery in the treatment of hemophilia. In 1964, she developed cryoprecipitation, a way to produce concentrated amounts of antihemophilic factor, or AHF, a blood component necessary for clotting. The discovery of cryo revolutionized the treatment of hemophilia, making it easier and safer.

Early Interest in Science

Pool was born Judith Graham on June 1, 1919, in Queens, a borough of New York City. Graham was the oldest of three children of Leon Wilfred and Nellie Baron Graham. Nellie Graham was a teacher. Leon Graham was a native of England who worked as a stockbroker. Pool earned good grades in high school and especially loved science. She majored in biochemistry at the University of Chicago, where she was a member of Phi Beta Kappa and Sigma Xi.

While at the University of Chicago, Pool married political science student Ithiel de Sola...