Henry Lewis Guy

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Henry Lewis Guy
Born (1887-06-15)15 June 1887
Died 20 July 1956(1956-07-20) (aged 69)
Notable awards Fellow of the Royal Society[1]

Sir Henry Lewis Guy CBE, FRS,[1] (15 June 1887 – 20 July 1956) was a leading British mechanical engineer, notable in particular for his work on steam turbine design.[2]

Early life[edit]

Guy was born at Penarth, in the Vale of Glamorgan, Wales in 1887. Following his education he joined the Taff Vale Railway as a student apprentice, and studied at the University College of South Wales where he gained a diploma in mechanical and electrical engineering.


In 1915, Guy joined the British Westinghouse Company, (later to become Metropolitan-Vickers) as a design engineer. In 1918 he was appointed chief mechanical engineer at that company, a post he was to hold until 1941. Whilst at Metrovicks, Guy was responsible for many innovations in the design of steam turbo-generators.

Guy was elected a Fellow of the Royal Society in 1936.[1]

During WWII, Guy served on a number committees including the Scientific Advisory Council of the Ministry of Supply. He was awarded a CBE in 1943 followed by a knighthood in 1949.

From 1941 until his retirement in 1951, Guy was secretary of the Institution of Mechanical Engineers.


  1. ^ a b c Stanier, W. A. (1958). "Henry Lewis Guy. 1887-1956". Biographical Memoirs of Fellows of the Royal Society. 4: 98–19. doi:10.1098/rsbm.1958.0009. 
  2. ^ "The Oxford Dictionary of National Biography". 2004. doi:10.1093/ref:odnb/33617.