Won against the odds, the establishment, or their own limitations.

The king suggested testing the balloon on condemned prisoners. The Montgolfiers had a better idea.

The zoo that once refused to hire him now sends its directors to the training academy he built.

She sent fourteen unsolicited watercolors to a stranger in rural Japan. That stranger was Georgia O'Keeffe, and she wrote back.

He inoculated himself with a patient's discharge to settle a scientific question, and his reputation was so enormous that nobody checked his work for fifty-one years.

She arrived to negotiate a peace treaty, noticed there was no chair for her, and solved the problem immediately.

He took the fortress that defeated Napoleon, routed the Ottoman army, and marched to within a hundred miles of Constantinople — and then his father told him to wait.

She discovered what stars are made of, then a famous man told her to cross it out and wrote it back in his own handwriting.