The Full Story
In 1828, a miller from Sneinton, Nottingham, published a paper on electricity and magnetism. About 50 people bought a copy. Most of them were friends. They couldn't follow it. The paper gathered dust.
George Green had attended school for about a year. His father put him to work in the family windmill. But Green taught himself mathematics from library books, writing equations on scraps of paper between shifts grinding flour.
The paper he wrote, 'An Essay on the Application of Mathematical Analysis to the Theories of Electricity and Magnetism', introduced what we now call Green's theorem and Green's functions, along with the idea of a potential function. They became among the most important mathematical tools in physics. Quantum mechanics depends on them. Without them, much of modern physics doesn't work.
Five years after publishing, Green went up to Cambridge around the age of forty. He sat in lectures with teenagers. And graduated fourth wrangler in 1838, fourth highest in his year. But his health was failing. He died in 1841, aged 47. His essay was largely forgotten.
Years later, Lord Kelvin came across it, recognised its importance and had it republished, bringing Green's work to a wide scientific audience. The mathematics modern physics needed had been sitting in a Nottingham library, written by a man who ground flour for a living.
Why This Matters
George Green's story shows that genius has no respect for class. A man with almost no formal education wrote mathematics that underpins modern physics, quantum mechanics, and electrical engineering. His windmill in Sneinton still stands, a monument to what ordinary people can achieve when given access to knowledge.