LaRouche movement
Jack became involved with the LaRouche movement, acting as a consultant to the 1980 presidential campaign of Lyndon LaRouche. The LaRouche publishing house, New Benjamin Franklin House, published Jack's autobiography, Fifty Years a Democrat. Jack and LaRouche founded the Committee for a New Africa Policy, which lobbied for short term aid and long-term infrastructure development for Africa. In 1984, Jack became a founding member and board member of the LaRouche-affiliated Schiller Institute. His daughter said the association was "unfortunate". Death
Jack died of cancer on December 19, 1986, in St. Luke's Hospital in Manhattan. He belonged to the Roman Catholic church. He was 79.
LaRouche movement
 Jae became involved with the LaRouche movement, acting as a consultant to the 1980 presidential campaign of Lyndon LaRouche. The LaRouche publishing house, New Benjamin Franklin House, published Jae's autobiography, Fifty Years a Democrat. Jae and LaRouche founded the Committee for a New Africa Policy, which lobbied for short term aid and long-term infrastructure development for Africa. In 1984, Jae became a founding member and board member of the LaRouche-affiliated Schiller Institute. Their daughter said the association was "unfortunate". Death
: Jae died of cancer on December 19, 1986, in St. Luke's Hospital in Manhattan. They belonged to the Roman Catholic church. They were 79.