He Walked Into a Lecture Hall Then Changed Physics

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[00:00:00]The year is 1820, and a quiet lecture hall in Paris is about to witness something that will change the world. A disheveled, eccentric professor scrambles to the front of the room, chalk dust on his coat, equations scrolled across loose sheets of paper stuffed into every pocket.

[00:00:18]He has not slept. He rarely sleeps.

[00:00:21]His colleagues whisper behind his back.

[00:00:24]Some call him a genius, others call him unstable. Most call him both. His name is Andre-Marie Ampere, and within a week, he will have laid the foundation for every electric motor, every generator, and every piece of technology that runs on electricity today.

[00:00:41]But to understand why that moment was so extraordinary, you have to understand the chaos that produced it. Andre-Marie Ampere was born on the 20th of January, 1775, in Lyon, France, a city bristling with intellectual energy, and soon to be consumed by revolution. His father, Jean-Jacques Ampere, was a prosperous