Oscar d ratnoff biography

American hematologist and physician (1916–2008)

Oscar Davis Ratnoff (August 23, 1916 – May 20, 2008) was an American physician who conducted research on the process of coagulation and blood-related disorders.

Ratnoff discovered the substance later known as Factor XII and was one of the primary contributors to the delineation of the exact sequence that makes up the clotting cascade. He also made notable research contributions to the understanding of the complement system and to the detection and treatment of hemophilia.

Ratnoff was a professor at the Case Western Reserve University School of Medicine, served as president of the American Society of Hematology, and was elected to the National Academy of Sciences.

Oscar d ratnoff biography

He remained active in research at Case Western Reserve until he was 85 and he died in Cleveland a few years later.

Early life

Ratnoff was born prematurely, the son of a New York pediatrician. Ratnoff's father was an associate of notable pediatrician