{"slug":"thinker-alan-turing","verification":{"valid":true,"entries":2,"head":"d2ee27d4007f14bd8ef8e6a60d2b67d3b7eaed0d758de990f2f7d4c78d315a6d"},"count":2,"sources":[{"id":"s1","type":"other","url":"https://www.cs.virginia.edu/~robins/Turing_Paper_1936.pdf","title":"On computable numbers, with an application to the Entscheidungsproblem","quote":"The 'computable' numbers may be described briefly as the real numbers whose expressions as a decimal are calculable by finite means.","summary":"1936 paper defining Turing machines and proving undecidability of the Entscheidungsproblem.","claim_ids":["c1","c2","c4"],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-07-07T07:11:01.016Z","link_status":"ok","quote_status":"unverified","prev":"genesis","hash":"a5942c16800c1fdac7ceb74746d2cd6606496d59bf4bebfbc840c9b1fae74bd2"},{"id":"s2","type":"other","url":"https://www.dna.caltech.edu/courses/cs191/paperscs191/turing.pdf","title":"The chemical basis of morphogenesis","quote":"It is suggested that a system of chemical substances, called morphogens, reacting together and diffusing through a tissue, is adequate to account for the main phenomena of morphogenesis.","summary":"1952 paper deriving conditions for pattern formation via reaction-diffusion.","claim_ids":["c3","c5"],"found_by":"grok/grok-4.3","extra":{},"accessed_at":"2026-07-07T07:11:01.016Z","link_status":"http_526","quote_status":"unverified","prev":"a5942c16800c1fdac7ceb74746d2cd6606496d59bf4bebfbc840c9b1fae74bd2","hash":"d2ee27d4007f14bd8ef8e6a60d2b67d3b7eaed0d758de990f2f7d4c78d315a6d"}]}