Spencer, Herbert (1820-1903)(3)
Sigwart, Christoph (1830-1905)(2)
Tönnies, Ferdinand (1855-1936)(2)
Carpenter, William Benjamin (1813-1885)(1)
Cramer, Carl Friedrich (1752-1807)(1)
Dumreicher, Johann Friedrich Thomas (1790-1848)(1)
Esmarch, Christian Hieronymus (1752-1820)(1)
Galilei, Galileo (1564-1642)(1)
Gierke, Otto von (1841-1921)(1)
Hasse, Heinrich Theophil Christian(1)
Hegel, Georg Wilhelm Friedrich (1770-1831)(1)