Names
- Cleveland, Grover, 1837-1908.1
- Codd, George Pierre, 1869-1927.1
- Comstock, William Alfred, 1877-1949.1
- Cooley, Mortimer E. (Mortimer Elwyn), 1855-1944.1
- Cooley, Thomas McIntyre, 1824-1898.1
- Coolidge, Calvin, 1872-1933.1
- Cotter, William Edward, 1893-1957.1
- Couzens, James, 1872-1936.1
- Curtis, Charles.1
- Cutcheon, Byron M., 1836-1908.1
- Dame, Gilman Marston, 1866-1939.1
- Davidson, O. C.1
- Dawes, Charles Gates, 1865-1951.1
- Day, William R. (William Rufus), 1849-1923.1
- De Kruif, Paul, 1890-1971.1
- DeFoe, Murl Holcomb, 1879-1
- Denby, Edwin, 1870-1929.1
- Dewey, Edmund Otis, 1861-1921.1
- Dewey, Thomas E. (Thomas Edmund), 1902-1971.1
- Dickinson, Donald McDonald, 1846-1917.1