Karl von Blaas (Austrian, 1815 – 1894)
J.A.G. Acke (Swedish, 1859-1924)
Septimus Power (Australian, 1877 – 1951)
Christian Schussele (American, 1824 – 1879)
Mathias Artaria (German, 1814-1885)
Carl Wahlbom (Swedish, 1810 - 1858)
Jørgen Sonne (Danish, 1801 – 1890)