All ten of the top ten presidents in C-SPAN’s survey were hackers. Only one, JFK, climbed a semblance of a traditional ladder; he served in both houses of Congress, but was a war hero and author of a Pulitzer Prize–winning book—clearly not the average ladder climber. Each of the men on this list worked hard in his career, learned and proved leadership through diverse experiences, and switched ladders multiple times. They continuously parlayed their current success for something more, and they didn’t give up when they lost elections (which most of them did).
