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

Why would the man who invented the bit build a unicycle that bobbed up and down on purpose?

A country doctor famous for birds made two small cuts in his gardener's eight-year-old son — and then did it again, and again, for years.

Who lobbies the League of Nations, twice, to adopt a calendar he designed himself?

How do you lose the face of the man who coined the word cell, wrote a law of physics, and rebuilt half of London?

What did Victorian surgeons do when one quiet Quaker suggested they stop wearing coats stiffened with old blood?

Why did a woman in 1888 push an automobile down an alley at dawn while her husband slept upstairs?

What happens when the Air Ministry is years from a fix, pilots are dying in stalls, and a five-foot carburetor researcher has a home workshop and a motorcycle?

What kind of inventor dies with $275.05, an unmarked grave, and no verified photograph — but a machine the world still uses 150 years later?

What happens when a woman who holds thirty-six patents and hates cleaning drags a garden hose into her kitchen?

What happens when a blind composer in a Viking helmet stands on the same Manhattan corner for thirty years and becomes more famous silent than playing?

He invented the crankshaft to water a garden, then spent the rest of his career building a programmable robot drummer for palace drinking parties.

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