"Jack Strong" is primarily recognized as the code name for , a high-ranking Polish military officer who served as a secret agent for the CIA during the Cold War. Between 1972 and 1981, Kukliński passed over 40,000 pages of top-secret Soviet documents to the United States, including strategic plans for the Warsaw Pact.
: Jack Strong Takes a Stand is a humorous middle-grade novel by Tom Greenwald about a boy who goes on "strike" to protest his overscheduled life. Philanthropy Jack Strong
The name is also widely associated with several other media and philanthropic entities: Film and Literature "Jack Strong" is primarily recognized as the code