Michelangelo
Michelangelo was born on 6 March 1475 in Caprese, known today as Caprese Michelangelo, a small town situated in Valtiberina, near Arezzo, Tuscany. For several generations, his family had been small-scale bankers in Florence; but the bank failed, and his father, Ludovico di Leonardo Buonarroti Simoni, briefly took a government post in Caprese, where Michelangelo was born. At the time of Michelangelo's birth, his father was the town's Judicial administrator and "podestà" or local administrator of Chiusi della Verna. Michelangelo's mother was Francesca di Neri del Miniato di Siena. The Buonarrotis claimed to descend from the Countess Mathilde of Canossa—a claim that remains unproven, but which Michelangelo believed.
Famiano Michelini
Born in Rome in 1604, Famiano Michelini studied in Genoa among the Order of Poor Clerics Regular of the Mother of God of the Pious Schools, his math teacher was Antonio Santini. In 1629 he went in Florence to found the first piarists school. Galileo Galilei gave him a covering letter. 
He was in correspondence for many years with Galileo and other scientists. He taught mathematics in Pisa from 1635 to 1655, after Vincenzo Renieri; in 1635 Michelini also taught astronomy to Leopoldo de' Medici. 
He was then vicar of the Bishop of Patti, Sicily and he became the mathematician of Cardinal Leopoldo de' Medici, who financed his research.