William Ford Robinson Stanley (February 2 1829 - August 14, 1909) was an engineer who designed and manufactured a number of precision drawing and mathematical instruments, which included the T-Square. He was skilled in the field of architecture, and he formed the first trade schools in the United Kingdom. When he died, most of his estate went to trade schools and their students in South London. And he was a member of several professional organizations (including the Royal Society of the Arts, the Royal Meteorological Society, the Royal Astronomical Society, and the British Astronomical Association). He was also a painter, musician, photographer, and an author of a number of publications (which included plays, children’s books, and political treaties).