Harper Twelvetrees
Harper Twelvetrees was an industrialist, who managed works at Imperial Works, Bromley-by-Bow, London. His company was responsible for developing and marketing Penny Patent Soap Powder and Glycerine Spa Power and Eggs and Butter Powder. Twelvetrees' name appears in a sea shanty, "On Board Of The Kangaroo", composed by Harry Clifton.
Twelvetrees, an anti-slavery campaigner, wrote a book on the life of a slave – The Story of the Life of John Anderson, the Fugitive Slave – published by William Tweedie of London in 1863. The book was reprinted by Dodo Press in 2009.
