William Carpmael (27 February 1804 - 9 July 1867) was a civil engineer and lawyer. Born in London, Carmael pursued a varied career in commerce and as laboratory assistant before undertaking training in engineering under Professor John Millington. In 1830 he became as associate of the Institution of Civil Engineers. He was also a member of the Royal Institution, the Institution of Mechanical Engineers and the Institution of Naval Architects. He died at his at home in Streatham Hill in July 1867, aged 63. Some details here [1].