Cornelis Jonson van Ceulen (English, 1593–1661)
Martin Drölling (French, 1752-1817)
Philip Alexius de László (Hungarian, 1869–1937)
Arnold Peter Weisz-Kubínčan (Slovak, 1898 - 1944)
Jakob Grünenwald (German, 1821-1896)
Charles-Lucien Léandre (French, 1862-1934)