His Men of Progress (1857) featured a group portrait of nineteen American inventors and innovators.
While all those portrayed were still alive, they had never met as a group but were composed from existing individual portraits.
Other well-known works include Clear the Track (1851); Franklin Appearing Before The Privy Council (1856) (housed in the San Marino, California Huntington Library,[1] Art Museum, and Botanical Gardens); Zeisberger preaching to the Indians (1859); The Iron-Worker and King Solomon (1860); Washington at Valley Forge (1862); McClellan at Antietam (1863); and Home on Furlough (1864).
[2] During this period he produced Queen Esther denouncing Haman, owned by the Academy (1869), and The Alsatian Fair (1870).
Most of the paintings that have been named became widely known through large prints by John Sartain and other engravers.