Rock, John Swett

Rock, John Swett

(1825–66) teacher, physician, lawyer; born in Salem, N.J. A public school teacher (1844–48), he studied dentistry under Dr. Harbert Hubbard and began practicing in Philadelphia (1851), where he designed prize-winning false teeth. In 1852 he graduated from the American Medical College and then moved his dental practice to Boston. Poor health caused him to study law and he became a justice of the peace in 1861. Presented as a potential U.S. Supreme Court lawyer by Senator Charles Sumner (1865) before Chief Justice Salmon P. Chase, he became the first African-American to be so accredited. Proficient in Greek and Latin, he lectured around the country, refuting the racist theory that Negroes were inferior to whites.