Maker Jacob Eichholtz
Harlan, Richard (19 September 1796–30 September 1843), physician, anatomist, and paleontologist, was born in Philadelphia, the son of Joshua Harlan, a farmer and merchant, and Sarah Hinchman. Harlan attended schools in Philadelphia, and then entered the medical department of the University of Pennsylvania, where he studied and worked under ...
Leidy, Joseph (09 September 1823–30 April 1891), comparative anatomist, paleontologist, and microscopist, was born Joseph Mellick Leidy in Philadelphia, Pennsylvania, the son of Philip Leidy, a hatter, and Catherine Mellick, who died twenty months later in childbirth. Soon thereafter, Leidy’s father married Christiana Taliana Mellick, Catherine’s first cousin, a determined, intelligent woman who raised Leidy. German was spoken in the Leidy (Leydig) home. As a young boy, Joseph developed an intense interest in plants, animals, and minerals, and he showed an unusual talent for drawing. He was an indifferent student at a private, classical school, spending most of his time following his interest in nature, exploring the creeks and parks of Philadelphia....