| 1916 | geboren am 26. März 1916 in Monessen (Pennsylvania, USA), |
| 1933 - 1937 | Smarthmore College, BSc |
| 1937 - 1939 | University of Pennsylvania, MSc. |
| 1939 - 1943 | Harvard University, PhD. |
| 1943 - 1950 | Postdoc und Assistance Professor an der Harvard
Medical School |
| 1950 - 1962 | Gruppenleiter am National Institute of Health in
Bethesda, Maryland |
| 1962 - 1963 | Professor für Biochemie Harvard University,
Cambridge, MA |
| 1963 - 1980 | Professor am National Institute of Health in
Bethesda, Maryland |
| 1972 | Chemie-Nobelpreis |
| 1982 - 1995 | Professor an der Johns-Hopkins-University in
Baltimore, Maryland |
| 1995 | gestorben am 14. Mai 1995 in Randallstown (Maryland, USA), |