John Dower (1825-1901)
London based map maker, engraver and printer, the son and successor of John Crane Dower's map business. Elected to the Royal Geographical Society in 1854.
Henry Teesdale (1776-1856)
Teesdale was a British map publisher active in the first half of the 19th century, born in London. He was elected to the Royal Geographical Society in 1830. Teesdale initially partnered with John Hordan and William Colling Hobson as Henry Teesdale and Company, but this partnership was dissolved in 1832. Afterwards Teesdale continued to publish maps and atlases on his own account. He worked with several major British map engravers of the period including John Crane Dower, Christopher Greenwood, and Josiah Henshall, among others. He died in January of 1856 and was buried at All Souls, Kensal Green.