1903-1922, 1963-present, railway company and heritage railway, Wales Welshpool & Llanfair Light Railway 1903 - 1922
1901-1950 (when line closed), railway company, Queenborough to Leysdown Sheppey Light Railway 1901 - 1950
1903-1972, archaeologist; palaeoanthropologist, Kenyan; British Leakey, Louis Seymour Bazett 1903 - 1972
1901-1937, tramways company, British Isle of Thanet Electric Tramways & Lighting Company Limited 1901 - 1937
1901-1968, painter; printmaker; scenographer; poster artist, French Cassandre, Adolphe Mouron 1901 - 1968
orthopaedic surgeon; British; Civilian Consultant in Orthopaedic Surgery to the RAF Watson-Jones, Reginald 1902 - 1972
1903-1990, scientist, engineer and high-speed photographer, American Edgerton, Harold Eugene 1903 - 1990
1901-1951, optical, lens, camera and cinematographic equipment manufacturer, Birmingham Aldis Brothers 1901 - 1951