1877 – Born on September 1st in Harborne, Birmingham, England. British physicist who won the Nobel Prize for Chemistry.
– The Aston dark space in electronic discharges is named after him.
1894 – He entered Mason College, Birmingham where he studied chemistry under Frankland and Tilden, and Physics under Poynting.
1898 – Won the Forster Scholarship and enabled him to work on the optical properties of tartaric acid derivatives.
1903 – He obtained a scholarship to Birmingham University to work on the properties of the Crookes Dark Space in discharge tubes.
1909 – He accepted the invitation of Sir J.J.Thomson to work as his assistant at the Cavendish Laboratory, Cambridge, on studies of positive rays.
1919 – He invented the mass spectrograph.
1921 – He was made a Fellow of the Royal Society.
1922 – Won the Nobel Prize for Chemistry for his development of the mass spectrograph, a device that separates atoms or molecular fragments of different mass and measures those masses with remarkable accuracy.
– He was awarded the Society’s Hughes Medal.
– He was also the author of the books Isotopes and of Structural Units of the Material Universe.
1941 – He was Duddell medalist of the Physical Society.
1945 – Died on November 20th in Cambridge, Cambridgeshire.