James Clerk Maxwell: Did you mean...?

Representative James Tallmadge, Jr. (1778-1853) of New York, whose 'Tallmadge Amendment' sparked the controversy that led to the Missouri Compromise of 1820. By Jeremiah Nims, 1825. New York Public Library.

From left to right: Mark Cartwright, Karen Barrett-Wilt, Joshua Mark, James Blake Wiener. Pictured in Wicklow, Ireland, 2015.

US Brigadier General James Winchester, defeated at the Battle of the River Raisin (January 1813), portrait by Ralph Eleaser Whiteside Earl, 1817. Tennessee Portrait Project.

James Wilkinson, oil on canvas portrait by Charles Willson Peale, 1797. Independence National Historical Park Collection, Philadelphia.

James Warren, a Massachusetts politician during the American Revolution. Oil on canvas portrait by John Singleton Copley, c. 1763. Museum of Fine Arts, Boston.

James McLaughlin (l. 1842-1923), US Indian Inspector of the Bureau of Indian Affairs, best known for ordering the arrest of the Sioux Chief Sitting Bull in December 1890 and requesting the troops that participated...

James W. Fannin, painting by unknown artist, included in Exploring the Alamo Legends by Wallace O. Chariton, p. 134, c. 1820s. A planter and American military officer during the Texas Revolution, Fannin served with the Texian...

James Wilkinson as US envoy to Mexico, c. 1820-1825, portrait by John Wesley Jarvis.

Portrait of American Commodore James Barron (1768-1851), who commanded the USS Chesapeake during the Chesapeake-Leopard affair and later served in the War of 1812. He is also known for mortally wounding American naval hero...

A photograph of the Scottish engineer James Nasmyth (1808-1890) who invented the steam hammer in 1839 during the Industrial Revolution. (The Science Museum, London)