Böklen, Otto (1821- 1890?)
Laurent, Hermann (1841–1908)
Young, John Radford (1799–1885)
Salmon, George (1819–1904)
Schlömilch, Oskar Xaver (1823–1901)
Todhunter, Isaac (1820–1884)
Price, Bartholomew (1818–1898)
Salmon, George (1819–1904)
Salmon, George (1819–1904)