W. G. Jackman
W. G. Jackman was originally from England, but came to the United States in 1841, where he established a business in New York. He did most of his work for the Harpers, Putnams and Appletons, all New York publishers. He excelled as an engraver of portraits and subject plates, using the stipple and the line methods. Jackman also did a few portraits using the mezzotint technique for Harper & Brothers.