| Year | Position | Institution |
| 1920 | Washington University | |
| 1921 | Washington University | |
| 1922 | Johns Hopkins University | |
| 1923 | Johns Hopkins University | |
| 1924 | Western Reserve University | |
| 1925 | Western Reserve University | |
| 1926 | Western Reserve University | |
| 1927 | Western Reserve University | |
| 1928 | Western Reserve University | |
| 1929 | Western Reserve University | |
| 1930 | Western Reserve University | |
| 1931 | Western Reserve University | |
| 1932 | Western Reserve University | |
| 1934 | Western Reserve University | |
| 1935 | Western Reserve University | |
| 1936 | Western Reserve University | |
| 1937 | Western Reserve University | |
| 1938 | Western Reserve University | |
| 1939 | Western Reserve University | |
| 1940 | Western Reserve University | |
| 1941 | Western Reserve University | |
| 1942 | Western Reserve University | |
| 1943 | Western Reserve University | |
| 1944 | Western Reserve University | |
| 1945 | Western Reserve University | |
| 1946 | Western Reserve University | |
| 1947 | Western Reserve University | |
| 1948 | Western Reserve University | |
| 1949 | Western Reserve University | |
| 1950 | University Of Minnesota School Of Medicine |
| Year | Start Date | End Date | Subject | Role |
| 1920 | - | - | Corporation Member | |
| 1921 | - | - | Corporation Member | |
| 1922 | - | - | Corporation Member | |
| 1923 | - | - | Corporation Member | |
| 1924 | - | - | Corporation Member | |
| 1925 | - | - | Corporation Member | |
| 1926 | - | - | Corporation Member | |
| 1927 | - | - | Corporation Member | |
| 1928 | - | - | Corporation Member | |
| 1929 | - | - | Corporation Member | |
| 1930 | - | - | Corporation Member | |
| 1931 | - | - | Corporation Member | |
| 1932 | - | - | Corporation Member | |
| 1934 | - | - | Corporation Member | |
| 1935 | - | - | Corporation Member | |
| 1936 | - | - | Corporation Member | |
| 1937 | - | - | Corporation Member | |
| 1938 | - | - | Corporation Member | |
| 1939 | - | - | Corporation Member | |
| 1940 | - | - | Corporation Member | |
| 1941 | - | - | Corporation Member | |
| 1942 | - | - | Corporation Member | |
| 1943 | - | - | Corporation Member | |
| 1944 | - | - | Corporation Member | |
| 1945 | - | - | Corporation Member | |
| 1946 | - | - | Corporation Member | |
| 1947 | - | - | Corporation Member | |
| 1948 | - | - | Corporation Member | |
| 1949 | - | - | Corporation Member | |
| 1950 | - | - | Corporation Member |