Heliocentric model of the solar system-Nicolaus Copernicus Theory of relativity - Albert Einstein Quantum mechanics and uncertainty principle - Max Planck, Werner Heisenberg, Erwin Schrödinger CRISPR-Cas9 gene editing system - Jennifer Doudna, Emmanuelle Charpentier Atomism and the idea of indivisible particles - Leucippus, Democritus Discovery of penicillin - Alexander Fleming Laws of thermodynamics - Sadi Carnot, Rudolf Clausius, Lord Kelvin First image of a black hole - Event Horizon Telescope Collaboration Conservation of mass and gases - Antoine Lavoisier DNA structure and genetic information - James Watson, Francis Crick, Rosalind Franklin Theory of evolution by natural selection - Charles Darwin Unification of electricity and magnetism - James Clerk Maxwell Ptolemaic model of the universe - Claudius Ptolemy Development of calculus - Isaac Newton, Gottfried Leibniz Laws of planetary motion, universal gravitation - Johannes Kepler, Isaac Newton Structure of the periodic table - Dmitri Mendeleev, Henry Moseley Circumference of the Earth calculated - Eratosthenes Discovery of oxygen and nitrogen gases - Joseph Priestley, Carl Wilhelm Scheele, Daniel Rutherford