William Hugh Pembroke Vowles (1885-1951)
1952 Obituary 
" WILLIAM HUGH PEMBROKE VOWLES. who was born in 1885, was educated at Elizabeth College, Guernsey, and at the Technical School in Gloucester, where he also served an apprenticeship and passed through the shops and drawing office of W. Sisson, Ltd., power plant engineers, from 1901 to 1906.
After gaining experience as junior draughtsman with G. Waller and Son, Ltd., Stroud, Gloucester, he was employed from 1909 to 1913 as contract engineer with Messrs. Willans and Robinson, Rugby. This was followed by a brief connection with the Gas, Light and Coke Co as senior assistant engineer.
During the 1914-18 war he first acted as assistant district manager to the Metropolitan Munitions Committee and later as assistant manager of the Ailsa National Shell Factory, London. In 1918 he became associated with Cox and Company, Ltd., bankers, London, as technical adviser and factory manager. Four years later he went to Bedford to join W. H. Allen, Sons and Company, Ltd., mechanical and electrical engineers, for which firm he was engaged as district manager and engineer until 1929, when he went into practice on his own account as a consulting engineer. During the 1939-45 war he was sometime editor of technical literature for the British Council. Mr. Vowles was elected an Associate Member of the Institution in 1918 and transferred to Membership three years later. His death occurred on 16th October 1951. He was also a Member of the Newcomen Society, the Society of Authors, and the American Society of Mechanical Engineers."