Short answers, pulled from the story.
Gian Francesco Poggio Bracciolini arrived in the village of Terranuova near Arezzo on the 11th of February 1380. His father took him to Florence to pursue studies that showed great promise from a young age.
Throughout fifty years he served seven popes including Innocent VII, Gregory XII, Antipope John XXIII, Eugenius IV, and Nicholas V. He rose to Apostolicus Secretarius under Martin V after serving four successive popes between 1404 and 1415.
Between March and May 1417 he discovered Lucretius De rerum natura in a German monastery likely Fulda though Poggio never named it. At St. Gallen he recovered Cicero Pro Sexto Roscio Quintilian Statius Silvae and Vitruvius De architectura.
Berthold Louis Ullman identified him inventor of Humanist minuscule type writing giving rise to Roman type popular today. Recent research shows other scribes used Humanist minuscule before Poggio but he remained most prolific distinguished scribe spreading it through Italy.
His gross assets amounted to 8,500 florins at death placing him among top capital owners with only 137 families exceeding his wealth. He sold two volumes Jerome epistles for 100 ducats to Lionello d'Este marquis of Ferrara representing quarter top university professor annual salary.