American physician, pathologist, and immunologist who most notably developed ways to identify and label antibodies during the 1940's. He became a member of the National Academy of Sciences in 1962.
He attended Williams College before graduating from Harvard medical school in 1937.
He participated in the southwest Pacific Theater during World War II with the 105th General U.S. Army Hospital, as its chief laboratory officer.
He had one son and four daughters with his wife Phyllis.
He and Manuel Elkin Patarroyo both became known for their work in immunology.