A Life Between Two Nations Born in Gothenburg, Sweden, in 1729, Eric Gustaf Tunmarck spent his life navigating the cultural landscapes of both Sweden and Norway. His early years were defined by the disciplined training of an apprenticeship under Jacob von Schönfeldt, a period that shaped his technical foundation in Gothenburg. By 1760, he had moved to Kongsberg, Norway, a transition that would define his professional identity. He arri…