Pietro Cataldi

Pietro Antonio Cataldi was an Italian mathematician. A citizen of Bologna, he taught mathematics and astronomy and also worked on military problems. His work included the development of continued fractions and a method for their representation. He was one of many mathematicians who attempted to prove Euclid's fifth postulate.

15 April 1552

Born on the same birth day (15 April): Blake Ayshford • Catherine I of Russia • John Lloyd (journalist) • Joice Mujuru • Robert Walker (actor, born 1940) • Stanley Bruce • Tim Corcoran (pitcher) • Walt Hazzard • William Cullen