 Leuzinger had much involvement in the development of wood engraving (woodcut) in the country, and in 1843, brought from Germany two talented engravers wood, Eduard Hüslemann and R. Rollenberger.In 1850, Rollenberger died of yellow fever and Hüslemann returned to Germany, but left behind many apprentices in Brazil.Leuzinger was responsible, among other things, for the introduction of illustrated postcards in the country, and ventured into photography too.