Chemistry
1. Periodic Table - Dmitri Mendeleev (1869)
2. Atomic Theory - John Dalton (1803)
3. Discovery of Electrons - J.J. Thomson (1897)
4. Discovery of Protons - Ernest Rutherford (1911)
5. Radioactive Elements (Polonium and Radium) - Marie Curie (1898)
6. Law of Conservation of Mass - Antoine Lavoisier (1789)
7. Structure of DNA - James Watson & Francis Crick (1953)
8. Nobel Gases - William Ramsay (1894-1900)
9. Periodic Law - Henry Moseley (1913)
10. Synthesis of Ammonia (Haber Process) - Fritz Haber (1909)
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