Short answers, pulled from the story.
Amerigo Vespucci was born on the 9th of March 1454 in Peretola, a suburb of Florence. His father Nastagio worked as a notary for the Money-Changers Guild while his mother Lisa di Giovanni Mini came from a local family.
In May 1499 Amerigo Vespucci joined Alonso de Ojeda's expedition to explore South America near present-day Suriname or French Guiana. He later participated in Manuel I of Portugal's 1501 expedition under Gonçalo Coelho which reached Brazil at about six degrees south latitude before discovering Rio de Janeiro on the 1st of January 1502.
Matthias Ringmann and Martin Waldseemüller published their Introduction to Cosmography with an accompanying world map in April 1507 that applied the name America for the first time based on Vespucci's letters. Gerardus Mercator later secured this tradition by naming both North and South continents America on his influential 1538 map.
The Letter to Soderini dated 1504 claimed four voyages occurred between 1497 and 1504 yet many historians doubt its authenticity. Alberto Magnaghi proposed only second and third voyages were true while first and fourth were fabrications cobbled together by publishers.
Amerigo Vespucci served as chandler supplying ships bound for Indies from 1505 until death in 1512. In March 1508 he was named chief pilot for Casa de Contratación earning fifty thousand maravedis annually plus twenty-five thousand for expenses.