who was john kennedy
John F Kennedy (known as JFK) was the 35th president of the United States, an immensely popular leader who was assassinated before he completed his third year in office.Photo: Official Portrait of John F Kennedy (Getty Images).ohn F Kennedy (known as JFK) was the 35th president of the United States, an immensely popular leader who was assassinated before he completed his third year in office. Photo: Official Portrait of John F Kennedy (Getty Images).