Alan Francis Brooke (1883-1963) also known as Field-Marshal Lord Alanbrooke Chief of the Imperial General Staff. During World War II Brooke was a prominent military advisor to Winston Churchill.
Source: https://upload.wikimedia.org/wikipedia/commons/b/b2/General_Sir_Alan_Brooke%2C_Chief_of_General_Staff%2C_1942_TR144.jpg
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