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🧪 Chemistry

John Dalton

Atomic Theory

Born 1766 🇬🇧 England 1803

🧪 Known For

1

First modern atomic theory — all matter is made of indivisible atoms

2

Dalton's Law of Partial Pressures in gases

3

First systematic study of colour blindness (Daltonism)

First quantitative atomic model

Quick Facts

Field

🧪 Chemistry

Country

🇬🇧 England

Born

1766

Key Year

1803

Invention

Atomic Theory