FONERDEN, John, physician, born in Baltimore, Maryland, in 1804; died in New York City, 6 May 1869. He was graduated in medicine at the University of Maryland in 1828, was City physician of Baltimore during the cholera epidemic of 1832, coeditor of the Baltimore "Colonization Journal " in 1835, professor of obstetrics in Washington University, Baltimore, in 1845'6, and resident physician of the Maryland hospital for the insane from 1846 till his death. He was distinguished as a philanthropist, particularly in his treatment of the insane, He published a "Memoir of Dr. Samuel Baker" in the "Baltimore Athenaeum" of 2 January 1886, and a "Report" as physician of the hospital for the insane (1860).