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Sir Henry Tizard | |
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| Born | 23 August 1885 Gillingham, Kent, England |
| Died | 9 October 1959 (aged 74) |
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| Awards | |
| Scientific career | |
| Fields | Chemistry |
Sir Henry Thomas Tizard GCB AFC FRS (23 August 1885 – 9 October 1959) was an English chemist, inventor and Rector of Imperial College, who developed the modern "octane rating" used to classify petrol, helped develop radar in World War II, and led the first serious studies of UFOs.