Who's Who list by name, surname beginning with D

  • Dargan, William (1799-1867) - Irish engineer known as the "father of Irish railways."  Built the first railway in Ireland in 1833, connecting Dublin to Kingstown.
  • Dautry, Raoul (1880-1951) - Oversaw reconstruction of the northern French rail network after World War I; director of Compagnie des chemins de fer de l'État 1928-1937.
  • Dean, William (1840-1905) - Chief Mechanical Engineer of Great Western Railway 1877-1902.
  • Deeley, Richard (1855-1944) - Chief Mechanical Engineer of Midland Railway 1904-1909.
  • Denney, Charles Eugene (1879-1965) - President of Erie Railroad 1929-1939; president of Northern Pacific Railway 1939-1950.
  • Depew, Chauncey M. (1834-1928) - President of New York Central Railroad 1885-1898.
  • Diescher, Caroline Endres (1846-1930) - Helped engineer the Monongahela Incline and the Mount Oliver Incline in Pittsburgh.
  • Diesel, Rudolf (1858-1913) - Inventor of the diesel engine.
  • Dilworth, Richard M. (1885-1968) - Chief engineer at General Motors Electro-Motive Division who is credited with developing the diesel-electric locomotive concept in the 1930s.
  • Donnelly, Charles (1869-1939) - President of Northern Pacific Railway 1920-1939.
  • Doris, Carole R. - Chairman of the board for Metra 2006-present.
  • Downs, Thomas - President of Amtrak 1993-1998.
  • Dowty, Robert R. (1923-2004) - Construction foreman for the Jupiter and 119 steam locomotive replicas at the Golden Spike National Historic Site at Promontory, Utah.
  • Draper, William Henry, Jr. (1894-1974) - Trustee for Long Island Rail Road 1950-1951.
  • Drayton, Thomas (1809-1891) - President of Charleston & Savannah Railroad 1853-1856.
  • Drew, Daniel (1797-1879) - Financier of the Erie Railroad, in conjunction with Jim Fisk.
  • Drummond, D. - Chief Mechanical Engineer for North British Railway 1875-1882.