9 nov 1754 - Name: Wilhelm BaadeLocation: 1893, GermanyDiscovery: Calculated an accurate estimate of the size of the universe and discovered supernovasTime Period 1900sName: Albert EinsteinLocation: 1879, GermanyDiscovery: General Relativity, how gravity works, the beginnings of quantum mechanicsName: Stephen HawkingLocation: 1942, EnglandDiscovery: Tied blackholes into General RelativityName: Harlow ShapleyLocation: 1886, USADiscovery: Our own solar system’s location in the Milky Way, and therefore the