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Tommy Flowers
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<p>Thomas Harold Flowers <a href="/facts/Order_of_the_British_Empire/HlY9buuN">MBE</a> (22 December 1905 – 28 October 1998) was an English engineer with the British General Post Office. During <a href="/facts/World_War_II/2efV5L1U">World War II</a>, Flowers designed and built <a href="/facts/Colossus_computer/pbkHLPwp">Colossus</a>, the world's first programmable electronic computer, to help decipher encrypted German messages. </p>