William L Withuhn Author

William L. Withuhn (1941–2017) was the long-time transportation curator at the Smithsonian Institution's National Museum of American History. He was a licensed locomotive engineer who ran dozens of steam engines, from saddle-tankers to Northerns. Withuhn was also the chairman of the Federal Railroad Administration's Engineering Standards Committee, which re-wrote regulations for the 21st century and thus helped ensure continued operation of heritage locomotives. He was author of The Spirit of Steam and Rails Across America.