- 7 May 1875
St Kilda, Melbourne, Victoria, Australia
- 21 October 1952
East Melbourne, Victoria, Australia
- railway administrator
View the full biographical record by clicking on the Australian Dictionary of Biography link under References below.
- Adam-Smith, Patsy, 'Clapp, Harold Winthrop (1875-1952)', in Australian Dictionary of Biography, online edition, Australian National University, 2006, http://www.adb.online.anu.edu.au/biogs/A080002b.htm. Details