People who were told no and heard it as a dare.

The FBI sent the fastest plane ever built to find him, and it was defeated by clouds.

He grafted a human tooth onto a rooster's head to see what would happen. It grew.

When the council rehoused him on the top floor of a tower block, it was specifically to discourage tunnelling.

She chose a convent over marriage — not for God, but for the library.

She broke a woman out of a convent by stealing a dead nun's body, and then went back to singing.

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

He had a second, fancier iron hand built for Sundays.

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

She raised a revolutionary flag twelve days before the revolution was declared — on a warship that was, on paper, a trading ship.

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

He kept pigs as hunting dogs, trained otters to fish, and when the King of England finally summoned him to court, he had a scheduling conflict.

She had a coffin she liked to lie in before writing each morning, to focus her mind.