Paul Guldin
Paul Guldin was a Swiss Jesuit mathematician and astronomer. He discovered the Guldinus theorem to determine the surface and the volume of a solid of revolution. Guldin was noted for his association with the German mathematician and astronomer Johannes Kepler. Guldin composed a critique of Cavalieri's method of Indivisibles.
12 June 1577
Born on the same birth day (12 June): Christine Sinclair • David Rockefeller • Georgia Louise Harris Brown • Hans Binder • Henry Scott Tuke • Jean-Baptiste Louvet de Couvray • John A. Roebling • John McCluskey, Baron McCluskey • Len Wein • Warwick Capper • Zygmunt Janiszewski
Born in the same month (June 1577): Peter Paul Rubens