Sigwart, Christoph (1830-1905)(2)
Spencer, Herbert (1820-1903)(2)
Carpenter, William Benjamin (1813-1885)(1)
Cavendish, Charles (1591-1653)(1)
Darwin, Charles (1809-1882)(1)
Descartes, René (1596-1650)(1)
Galilei, Galileo (1564-1642)(1)
Gierke, Otto von (1841-1921)(1)
Hegel, Georg Wilhelm Friedrich (1770-1831)(1)