| 23 Jun 1912 |
Alan Mathison Turing born, London. |
| 1930 |
Christopher Morcom dies. |
| 1935 |
Elected fellow, King's College, Cambridge. |
| 3 Sep 1939 |
Britain declares war on Germany. |
| 1950 |
Devises the Turing Test. |
| 7 Feb 1952 |
Arrested for buggery. |
| 31 Mar 1952 |
Homosexuality trial begins. |
| 1952 |
Loses security clearance over homosexuality. |
| 7 Jun 1954 |
Commits suicide over his homosexuality (cyanide), Wilmslow, Cheshire. |