Eichholtz, Jacob (Īkhˈhôlts) [key], 1776–1842, American portrait painter, b. Lancaster, Pa.; pupil of Gilbert Stuart in Boston but mainly self-taught. He painted portraits of some of the most prominent men of the day, and he also painted family groups. He was especially successful in handling textures. Among his portraits are those of Chief Justices John Marshall (Historical Society of Penn., Philadelphia) and John Bannister Gibson (Philadelphia Law Association); James Buchanan (Smithsonian Institution); Col. James Gibson (capitol, Dover, Del.); and Nicholas Biddle.