Sir William Arthur Stanier F.R.S. (27 May 1876 - 27 September 1965) was Chief Mechanical Engineer of the London, Midland and Scottish Railway. Wikipedia
William Stanier was born in 1876, and became an apprentice in the Great Western Railway (GWR) at Swindon in 1892. From 1897 to 1900, Stanier worked as a draughtsman, before becoming Inspector of Materials in 1900. In 1904, Churchward appointed him as As www.winwaed.com/rail/LNER/eng/stanier.shtml
The Jubilee 4-6-0 mixed traffic engines introduced in 1934, were a development of the Patriot class, of which some were rebuilt by Stanier with taper boilers. www.hmilburn.easynet.co.uk/enthuse/engineers/lms/stanier.htm
The definitive Wikipedia entry for William Stanier. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/William_Stanier