12 September 2021: This day in history
1758: French astronomer Charles Messier mistakenly identifies the Crab Nebula so begins his Messier Catalogue 1909: World’s first patent for synthetic rubber granted to German chemist Fritz Hofmann 1933: Leó Szilárd, waiting for a red light on Southampton Row in Bloomsbury, conceives idea of a nuclear chain reaction 1940: Four teens, following their dog down a hole near Lascaux, France […]

















