Dugald Clerk

Sir Dugald Clerk
Born(1854-03-31)31 March 1854
Glasgow, Scotland, UK
Died12 November 1932(1932-11-12) (aged 78)
Ewhurst, England, UK
NationalityScottish
CitizenshipBritish
OccupationEngineer
Known forDesigned the world's first successful two-stroke engine

Sir Dugald Clerk (sometimes written as Dugald Clark) KBE, LLD FRS[1] (1854, Glasgow – 1932, Ewhurst, Surrey) was a Scottish engineer who designed the world's first successful two-stroke engine[2][3] in 1878[4] and patented it in England in 1881. He was a graduate of Anderson's University in Glasgow (now the University of Strathclyde), and Yorkshire College, Leeds (now the University of Leeds). He formed the intellectual property firm with George Croydon Marks, called Marks & Clerk. He was knighted on 24 August 1917.[5]

  1. ^ r., H. R. (1933). "Sir Dugald Clerk. 1854-1932". Obituary Notices of Fellows of the Royal Society. 1 (2): 101–102. doi:10.1098/rsbm.1933.0004.
  2. ^ "Forgotten Hero: The man who invented the two-stroke engine". David Boothroyd, The VU. Archived from the original on 15 December 2004. Retrieved 19 January 2005.
  3. ^ Nunney, M.J. (2007). Light and heavy vehicle technology (4th ed.). Oxford, England: Elsevier Butterworth-Heinemann. pp. 6–8. ISBN 978-0-7506-8037-0.
  4. ^ Beecroft, David (2008). History of the American automobile industry. lulu.com. pp. 64–65. ISBN 978-0-557-05575-3.
  5. ^ "No. 13133". The Edinburgh Gazette. 27 August 1917. p. 1785.