What is Tommy Flowers?
{{Infobox person |image = Tommy Flowers.jpg |caption = Tommy Flowers - possibly taken around the time he was at Bletchley Park |name = Thomas Harold Flowers<br /><small>[[OBE]]</small> |birth_date = {{Birth date|1905|12|22|df=y}} |birth_place = [[Poplar, London|Poplar]], [[London]], [[England]] |death_date = {{death date and age|1998|10|28|1905|12|12|df=y}} |death_place = [[Mill Hill]], London, England |residence = |nationality = [[British people|British]] |occupation = Engineer |title = |spouse = Eileen Margeret Green |children = 2 }} [[File:ColossusRebuild 11.jpg|right|thumb|A modern reconstruction of Colossus at [[Bletchley Park]]]] '''Thomas Harold Flowers,''' [[Bachelor of Science|BSc]], [[Doctor of Science|DSc]],<ref>{{Cite book |url=https://books.google.com/books?id=ocx4Jc12mkgC&q=tommy%2520flowers%2520bsc&pg=PA306 |title=International Biographical Dictionary of Computer Pioneers |last=Lee |first=John A. N. |publisher=Taylor & Francis |year=1995 |isbn=9781884964473 |pages=306}}</ref> [[Order of the British Empire|OBE]] (22 December 1905 – 28 October 1998) was a [[British]] engineer. During [[World War II]], Flowers designed [[Colossus computer|Colossus]], the world's first programmable electronic [[computer]], to help solve encrypted [[Germany|German]] messages. The first Mark 1, with 1500 [[vacuum tube]] valves, ran at [[Dollis Hill]] in November 1943, and then at [[Bletchley Park]] in January 1944. A Mark 2 redesign with 2,400 valves had begun before the first computer was finished. The first Mark 2 Colossus went into service at Bletchley Park on 1 June 1944, and immediately produced vital information for the imminent [[D-Day]] landing. == Results == Flowers had a crucial meeting with [[Dwight D. Eisenhower]] and his staff on 5 June. A courier handed Eisenhower a note summarizing a Colossus decrypt. This confirmed that [[Adolf Hitler|Hitler]] wanted no additional troops moved to [[Normandy]], as he was still convinced that the preparations