as well as investigating the metabolism of the human tumor. These experiments led to some interesting results but not much of any practical interest. He soon came to the conclusion that although the athymic mouse colony was important in a number of studies, they didn't seem to lend themselves to the treatment of human cancer.

Nate was still working in the broad area of immobilized enzymes, athymic mice, and chemotherapeutic agents at the time of his death.

THE QUOTATIONS BY William Allison, Morris Friedkin, Martin Kamen, H. A. Barker, David Greenberg, Mary Ellen Jones, and W. P. Jencks were taken from a memorial publication dedicated to Nate, and appeared in Analytical Biochemistry 161:229–44, 1987.

1940–42

Assistant Biochemist, University of California, Berkeley

1942–45

Research Chemist, Manhattan Project

1945–50

Associate Research Biochemist, Massachusetts General Hospital, Harvard Medical School

1950–52

Assistant Professor of Biology, McCollum–Pratt Institute, The Johns Hopkins University

1952–56

Associate Professor, The Johns Hopkins University

1956–57

Professor, The Johns Hopkins University

1957–68

Professor of Biochemistry and Chair, Department of Biochemistry, Brandeis University, Waltham, Massachusetts

1968–86

Professor of Chemistry, University of California, San Diego

1946

Sugar Research Award

1948

Nutrition Research Award

1952

National Science Foundation Travel Fellowship

1953

Eli Lilly Award in Biochemistry