Cosimo Medici Old (Cosimo di Giovanni de 'Medici, Cosimo il Vecchio) is one of the most prominent people of his era, who had an extraordinary character, and lived a bright, interesting and long life. His name is inextricably linked with the history of medieval Italy and all of Europe. He was the ancestor of the famous Medici dynasty, which is why he received the nickname Old (or Senior), a richest man, merchant, banker, financier, statesman, who was able to use his fortune wisely, to become a very influential figure who played a significant role in the economy, politics and cultural life of the Florentine Republic .