Here’s an expanded list of significant scientific discoverie
Physics
1. Electric Charge and Magnetism (Electrodynamics) - James Clerk Maxwell (1860s)
2. Radio Waves - Heinrich Hertz (1887)
3. Discovery of Neutrons - James Chadwick (1932)
4. Nuclear Fission - Otto Hahn and Fritz Strassmann (1938)
5. Discovery of Cosmic Microwave Background Radiation - Arno Penzias and Robert Wilson (1965)
6. Lasers - Theodore Maiman (1960)
7. Theory of Blackbody Radiation - Max Planck (1900)
8. Thermodynamics Laws - Rudolf Clausius, William Thomson (Kelvin), and others (19th Century)
Social