1859
Joseph Diaz Gergonne, French mathematician and philosopher (born 1771)
Joseph Diaz Gergonne, French mathematician and philosopher (born 1771)
Joseph Diaz Gergonne, French mathematician and philosopher (born 1771)
French mathematician and logician
Joseph Diaz Gergonne, French mathematician and philosopher (born 1771)
Joseph Diaz Gergonne, French mathematician and philosopher (born 1771)