[1] Jack was born on December 29, 1906, in Saint Lucia, and spent his early years in British Guiana before emigrating to the United States.

This caused a major controversy, and Emile Wagner, one of the founders of the New Orleans White Citizens Council, obtained material from the House Unamerican Activities Committee which suggested that Jack was a former member of subversive organizations.

Jack denied the charges, accusing the White Citizens Council of a "rearguard action to disobey the decision handed-down by the Supreme Court on desegregation in schools."

[5][7] On January 16, 1961, Jack was sentenced to a suspended one-year term in prison, which had the effect of automatically removing him from the office of Borough President.

He went to Mass every morning, and Jesus left his ass holding the bag.”[9] He was succeeded in the Borough Presidents office by Edward R. Dudley.