Alan Turing (1912-54)
Turing is best-known for helping decipher the code created by German Enigma machines in the Second World War, and for being one of the founders of computer science and artificial intelligence.
This digital archive contains many of Turing's letters, transcriptions of talks, photographs and unpublished papers, as well as memoirs and obituaries written about him. It contains images of the original documents that are held in the Turing collection at King's College, Cambridge.
A diagram from Turing's notes on morphogenesis (AMT/K/3)
The PDF viewer on the site lets you turn pages, zoom in and drag the pages to read the material you are interested in. You can click the full screen iconon the viewer to go to full screen mode. Press 'Esc' or the full screen icon again to return to the normal view.
You can also download the PDFs for personal use but do check the Terms and Condtions before you do that, as almost all of the material on the website has been published subject to certain restrictions.
The abbreviations used on the site are underlined with double grey lines, like this: MS. If you hover your cursor over the abbreviation, a box will pop up telling you what the abbreviation stands for.
The archive is divided into six sections, prefixed by Turing's initials (AMT): A, B, C, D, E, K.