Aston's research papers consist of four notebooks recording work on positive rays, 1911-1913, and a few unidentified manuscript calculations. His time at the Royal Aircraft Establishment, Farnborough is documented by reports on his work submitted to the Advisory Committee for Aeronautics, 1917-1919 and a humorous account of wartime activities at Farnborough by an unidentified author. Publications material consists of manuscript and typescript drafts of a small number of Aston's publications, illustrative material, off-prints by Aston, 1919-1939, and a number of typescripts of papers by other scientists including W.H. Bragg, O.J. Lodge and W.J. Pope. There are correspondence and papers, 1935-1945, relating to Aston's Presidency of the International Union of Chemistry's Commission on Atoms. The remaining correspondence consists of a chronological sequence relating to Aston's scientific work, 1914, 1922-1945, and n.d. The sequence is predominantly incoming with a few manuscript drafts by Aston, some on the verso of incoming letters. It provides some documentation of Aston's visits and conferences, especially a visit to the USA in 1922 to lecture at the Franklin Institute, Philadelphia, Pennsylvania.
Papers and correspondence of Francis William Aston, 1877-1945
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Administrative / Biographical History
Francis William Aston was born at Harborne, near Birmingham on 1 September 1877. He was educated at Malvern College and Mason College (which later became the University of Birmingham) where he studied chemistry under P.F. Frankland and W.A. Tilden and Physics under J.H. Poynting. Awarded the Forster scholarship he studied optical rotation with Frankland, 1898-1900. Aston then left academic life for three years to work for a firm of brewers. However, he continued to research privately, particularly with discharge tubes. This work attracted the attention of Poynting and in 1903 Aston returned to Birmingham to continue his research in Poynting's department. At the end of 1909 he accepted an invitation from Sir J.J. Thomson to work as his assistant on positive rays at the Cavendish Laboratory, Cambridge. He took a B.A. degree by research in 1912 and in 1913 the university recognised his distinction in research by electing him as Clerk Maxwell student. It was during this period that he obtained definite evidence for the existence of two isotopes of the inert gas neon. Aston's research was interrupted by the First World War during which he worked at the Royal Aircraft Establishment, Farnborough, principally on aircraft fabrics and dopes (synthetic coatings). In 1919 he returned to the Cavendish Laboratory to research the separation of the isotopes of neon. This was accomplished by his invention of the mass spectrograph, an apparatus which enabled him to utilise the very slight differences in mass of the two isotopes to effect their separation. He extended this principle to other chemical elements, discovering, in a series of measurements, 212 of the naturally occurring isotopes. From this work he formulated the whole number rule which states that, the mass of the oxygen isotope being defined, all the other isotopes have masses that are very nearly whole numbers. In 1920 Aston was elected to the Fellowship of Trinity College Cambridge. He was elected FRS in 1921 (Hughes Medal 1922; Bakerian Lecture 1927), and in 1922 he was awarded the Nobel Prize for chemistry 'for his discovery, by means of his mass spectrograph, of isotopes, in a large number of non-radioactive elements, and for his enunciation of the whole number rule'. Aston's interests in astronomy and photography led to his membership of expeditions that studied eclipses in Sumatra (1925), Canada (1932) and Japan (1936). He served as President of the International Union of Chemistry's Commission on Atoms, 1935-1945. He continued to live and work in Cambridge, where he died on 20 November 1945.
By section as follows: Research, Royal Aircraft Establishment Farnborough, Publications, International Union of Chemistry, Correspondence. Index of correspondents.
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Other Finding Aids
Printed Catalogue of the papers and correspondence of Francis William Aston, NCUACS catalogue no. 101/6/01, 20 pp. Copies available from NCUACS, University of Bath
The papers were received for cataloguing from Cambridge University Library in November 2000. Returned to Cambridge in 2001.