Background
The son of Major John Stephenson of the 6th Dragoon guards, Stephenson was born at Portobello, near Edinburgh, and lived for some early years in Ireland before being privately educated at a school in Twickenham.
The son of Major John Stephenson of the 6th Dragoon guards, Stephenson was born at Portobello, near Edinburgh, and lived for some early years in Ireland before being privately educated at a school in Twickenham.
In 1842, he became a student at the College for Civil Engineers in Putney (Sir Guilford Molesworth was among his fellow students). With Robert Monro Christie, he founded the Putney Club in 1854, which later became the Society of Engineers, serving as its chairman in 1856 and 1859. From 1858 he designed and managed several town gas lighting projects in Germany and Holland, later serving on the boards of several United Kingdom and overseas gas companies.
Elected an associate of the Institution of Civil Engineers in 1853, he became a full member in 1864.