Career
Professor of law
Columbia University
1974 – present · 52 yrs
Lecturer in law
Massachusetts Institute of Technology
1949 – 1950 · 1 yr
Lecturer in law
Stanford University
1949 – 1951 · 2 yrs
Lecturer in government
Harvard University
1942 – 1943 · 1 yr
Public member
National Defense Mediation Board
1941 – 1942 · 1 yr
Private practice
1937 – 1941 · 4 yrs
Special assistant to the Attorney General of the United States
Office of the Solicitor General
1935 – 1937 · 2 yrs
Solicitor of labor
U.S. Department of Justice
1933 – present · 93 yrs
Solicitor of labor
U.S. Department of Labor
1933 – 1935 · 2 yrs
Law clerk
Hon. Learned Hand, U.S. Court of Appeals for the Second Circuit
1932 – present · 94 yrs
Private practice
1931 – 1933 · 2 yrs
Private practice
1930 – present · 96 yrs
Law clerk
Hon. Augustus Noble Hand, U.S. Court of Appeals for the Second Circuit
1930 – 1931 · 1 yr
Education
A.B., Harvard UniversityLL.B., Harvard University