JosephDiezGergonne (19 June 1771 at Nancy, France – 4 May 1859 at Montpellier, France) was a French mathematician and logician. In 1791, Gergonne enlisted...
problem is named after Steiner, it has first been posed in 1811 by JosephDiezGergonne in the following form: "A number of cities are located at known locations...
347–348, 1811, is an unsigned letter (likely from journal editor JosephDiezGergonne) giving this formula as equivalent to the results in Malfatti (1803)...
projective geometry, including the real projective plane. c.1825 JosephDiezGergonne, Jean-Victor Poncelet Geometric properties of the complex projective...
1839 – Denis Davydov, Russian general and poet (b. 1784) 1859 – Joseph Diaz Gergonne, French mathematician and philosopher (b. 1771) 1880 – Edward Clark...