Bouguer, Pierre (1698-1758)
PC0597
Bowie, William (1872-1940)
PC0636
Bremiker, Carl (1804-1877)
PC0664
Bruhns, Karl Christian (1830-1881)
PC0727
Bruns , Heinrich (1848-1919)
PC0735
Clarke, Alexander Ross (1828-1914)
PC1032
Cruls, Louis Ferdinand (1848-1908)
PC1198
Denzler, Hans Heinrich (1814-1876)
PC1359
Gauss, Friedrich Gustav (1829-1915)
PC1912
Hassler, Ferdinand Rudolph (1770-1843)
PC2175
Hayford, John Fillmore (1868-1925)
PC2187
Hecker, Oskar (1864-1938)
PC2194