When did bumy Johnson go to alcatraz?

Bummy Johnson, a well-known mobster and associate of the Genovese crime family, was incarcerated at Alcatraz Federal Penitentiary from 1952 to 1954. He was sentenced to prison for various criminal activities, including racketeering and narcotics-related offenses. His time at Alcatraz was part of a larger criminal career that included various ties to organized crime in New York City.