Spencer, Herbert (1820-1903)(3)
Mersenne, Marin (1588-1648)(2)
Nietzsche, Friedrich (1844-1900)(2)
Sigwart, Christoph (1830-1905)(2)
Tönnies, Ferdinand (1855-1936)(2)
Carpenter, William Benjamin (1813-1885)(1)
Cavendish, Charles (1591-1653)(1)
Devonshire, William Cavendish of (1617-1684)(1)
Galilei, Galileo (1564-1642)(1)
Gierke, Otto von (1841-1921)(1)