Discoverers who found light in urine and hydrogen in the air.

William Harvey, the physician who proved blood circulates, once reached through a hole in a young viscount's ribs and took hold of the beating heart.

Darwin was halfway through dinner in Patagonia before he realised the small ostrich on his plate was the rare species he'd been hunting for months.

Sweden's chief mining assessor spent thirty years cataloguing iron ore before dining alone in a London tavern, looking up, and being appointed by the Lord to survey heaven.

In March 1800, Alexander von Humboldt drove thirty wild horses into a Venezuelan pool to exhaust the electric eels, then waded in barefoot and dissected one while it kept shocking him.

Eleanor Ormerod, the Royal Agricultural Society's consulting entomologist, kept live insect specimens in her pockets and produced them, unannounced, at meetings with farmers.

Who walks 130 miles through an Antarctic winter, in total darkness, to fetch a penguin egg?

How do you smuggle a corpse past the city guards without anyone asking questions?

What does a Renaissance physician discover when he rigs his dining chair to yank the table away the moment he has eaten his ration?

The man whose equations run every JPEG, MP3, and MRI scan came back from Egypt convinced heat was the secret to staying alive — and wore several overcoats indoors, in summer, until it killed him.

In 1747 he proved two oranges and a lemon cured scurvy. Then he spent forty years boiling the cure into a syrup that didn't work.

What kind of emperor reads fourteen languages, pays his own train fares, and orders a hundred telephones on the spot?

What does it look like when the man who taught Wall Street to predict the future can't predict where he parked?