The collection consists primarily of writings by Charles Proteus Steinmetz for General Electric and for publication, as well as research notes and ledgers. Topics include research in thermodynamics and steam turbines, fraternities, and national issues such as Socialism. The collection also includes several books owned by his father Karl, as well as a photograph and some assorted ephemera. Charles Proteus Steinmetz was born in 1865, and he was a mathemetician and electrical engineer. Forced to leave Germany because of Socialist activities in 1888, and he was a professor at Union College, as well as a chair of the Department of Engineering. He died in 1923.