Template:Selected anniversaries/April 23: Difference between revisions

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||1915 – Arnold Alexander Hall, English engineer, academic, and businessman (d. 2000)
||1915 – Arnold Alexander Hall, English engineer, academic, and businessman (d. 2000)
||Oleg Vladimirovich Penkovsky (b. 23 April 1919), codenamed HERO, was a Soviet military intelligence (GRU) colonel during the late 1950s and early 1960s. Penkovsky was responsible for informing the United Kingdom about the Soviet emplacement of missiles in Cuba, thus providing both the UK and the United States with the precise knowledge necessary to address rapidly developing military tensions with Soviet Russia. Pic.


||Henry Ernest Dudeney (d. 23 April 1930) was an English author and mathematician who specialised in logic puzzles and mathematical games. He is known as one of the country's foremost creators of mathematical puzzles. Pic.
||Henry Ernest Dudeney (d. 23 April 1930) was an English author and mathematician who specialised in logic puzzles and mathematical games. He is known as one of the country's foremost creators of mathematical puzzles. Pic.

Revision as of 15:54, 23 March 2018