Salvatore Maranzano (1868-September 10, 1931) was an organized crime figure from the town of Castellammare del Golfo, Sicily, and an early Mafia boss in the United States. He was known as a "Boss of Bosses" and controlled all Mafia activity within the US. As a youngster he had wanted to become a priest and even studied to become one, but later became associated with the Mafia in his homeland. Wikipedia
The definitive Wikipedia entry for Salvatore Maranzano. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Salvatore_Maranzano