Müller, Johann Heinrich Jakob (1809 - 1875) Pouillet, Claude Servais Mathias (1791 - 1868) Pfaundler, Leopold (1839-1920)
Müller, Johann Heinrich Jakob (1809 - 1875) Pouillet, Claude Servais Mathias (1791 - 1868) Pfaundler, Leopold (1839-1920) Lummer, Otto (1860-1925)