History of science 1881 – 1920

Amundsen reaches South Pole 1911
World War 1 1914-18
Russian Revolution 1917
Wegener introduces
Continental drift theory
Freud’s psychoanalysis experiments
Fleming discovers penicillin
Ehrlich begins treating disease with chemicals
Becquerel discovers radioactivity
Curies discover radioactivity of radium
Thomson discovers electrons
Rutherford conducts nuclear physics experiments
Einstein presents his theory of relativity
Planck works on radiation
Ambrose fleming produces first vacuum tube, which will be used in the development of radio and television

Petrol engine car c. 1885
Pneumatic tyre c. 1888
Radio c. 1895
Aeroplane c. 1903
Bakelite c 1908