
1901 – Born this year. He was an american Economist.
1924-1932 – Served as an Economist in Wisconsin State Tax Commission.
1932-1938 – Associate Professor of Economics, in University of Cincinnati.
1938-1946 – Director of Tax Research, Department of the Treasury.
1946-1950 – Professor of Economics and Political Science, in University of Chicago.
1950-1952 – A Member of the Council of Economic Advisers.
1952-1955 – Principal Director of Department of Economic Affairs, United Nations.
1955-1970 – Professor of International Business, in Columbia University.
2000 – He died this year.