Baer, Karl Ernst von, Baer, Karl Ernst von ; Huxley, Thomas Henry, Huxley, Thomas Henry ; Stieda, Ludwig, Stieda, Ludwig ; Voss, Leopold, Voss, Leopold ; Tyndall, John, Tyndall, John ; Busk, George, Busk, George ; Flower, William Henry, Flower, William Henry ; Royal Society
Dorpat, 1868
