(1881-1955) a British scientist who discovered PENICILLIN, a substance that is used as a medicine to destroy BACTERIA (= very small living things related to plants, some of which cause disease)
(1883-1949), a US film DIRECTOR who won an Oscar as best DIRECTOR for Gone With the Wind in 1939. His other films included Captains Courageous (1937), The Wizard of Oz (1939) and Dr Jekyll and Mr Hyde (1941).