Jack Johnson's was nicknamed the "Galveston Giant." He was an American boxer , who—at the height of the Jim Crow era —became the first African American world heavyweight boxing champion (1908–1915). Johnson was faced with much controversy when he was charged with violating the Mann Act in 1912, even though there was an obvious lack of evidence and the charge was largely racially biased. In a documentary about his life, Ken Burns notes that "for more than thirteen years, Jack Johnson was the most famous and the most notorious African-American on Earth". Johnson was born the third child of nine, and the first son, of Henry and Tina "Tiny" Johnson, two former slaves who worked blue collar jobs as a janitor and a dishwasher to support their children and put them through school. His father Henry served as a civilian teamster of the Union’s 38th Colored Infantry, and was a role model for his son. As Jack once said, his father was "T