Knutzen, Martin

, professor of philosophy in Prussia, was born at Konigsberg, in 1713, where he was for some years professor of philosophy, and librarian. He died in 1751, leaving several learned works, of which the principal are, “Systema Causarum Efficientium;” “Elementa Philosophic Rationalis, Methodo Mathematico demonstrata;” “Theoremata de Parabolis infinitis” and “A Defence of the Christian Religion,” which is said to be his ablest performance. 2