In 1856, Henry Wilson was a clerk at 22 Elm Street, Manchester, N.H. The same year, Monroe G.J. Tewksbury was a Physician at 37 Elm. By 1858, the two were together as Tewksbury & Wilson, Apothecaries, 45 Elm Street. They were again listed together in 1860. From 1861 on, Tewksbury continued to be listed as a Physician at 233 Elm. Wilson was listed with a home address only in 1864.