Guido Ubaldus

From Wikipedia, the free encyclopedia

"Guido Ubaldus" is an uncommon name for Guidobaldo del Monte (1545 – 1607). It is sometimes confused with:

  • Guido Grandi (1671 – 1742), a later Italian mathematician who studied the rose curve and 1 − 1 + 1 − 1 + · · ·
  • Ubald (1100 — 1168), bishop of Gubbio and a Catholic saint.