Helmholtz, Hermann von (1821-1894)(5)
De Long, George Washington (1844-1881)(2)
Herschel, William (1738-1822)(2)
Kelvin, William Thomson (1824-1907)(2)
Petherick, John (1813-1882)(2)
Abbadie, Antoine d' (1810-1897)(1)
Baikie, William Balfour (1824-1864)(1)
Berthollet, Claude-Louis (1748-)(1)