Division of Transportation Staff at Work at NMHT, , Smithsonian Institution Archives, SI staff at work in the Division of Transportation, Department of Industries at the National Museum of History and Technology, now known as the National Museum of American History, with Mary E. (Betsy) Braunagel, secretary, John H. White, curator, Jim Knowles, museum specialist, Howard I. Chapelle, senior historian and former curator specializing in maritime history, and John Stine, museum specialist..