By the time of his assassination in 1963, John F. Kennedy stood at the helm of the greatest power the world had ever seen, a booming American nation that he had steered through some of the most perilous diplomatic standoffs of the Cold War. Born in 1917 to a striving Irish American family that had become among Boston’s wealthiest, Kennedy knew political ambition from an early age, and his meteoric rise to become the youngest elected president cemented his status as one of the most mythologized figures in American history. And while hagiographic portrayals of his dazzling charisma, reports of his extramarital affairs, and disagreements over his political legacy have come and gone in the decades since his untimely death, these accounts all fail to capture the full person.