Crowther, J. G. (James Gerald), 1899-
Famous American men of science [microform] / by J.G. Crowther.
Edison, Thomas A. (Thomas Alva), 1847-1931.
Franklin, Benjamin, 1706-1790.
Gibbs, J. Willard (Josiah Willard), 1839-1903.
Henry, Joseph, 1797-1878.
Scientists -- United States.
Sociology.