Enigma machine (Wikipedia)

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The Enigma machine is a cipher device developed and used in the early- to mid-20th century to protect commercial, diplomatic, and military communication. It was employed extensively by Nazi Germany during World War II, in all branches of the German military. The Enigma machine was considered so secure that it was used to encipher the most top-secret messages.

Yarrow Point, Washington (Wikipedia) Yarrow Point is a town in King County, Washington, United States. The population was 1,001 at the 2010 census. Based on per capita income, one of the more reliable measures of affluence, Yarrow Point ranks fifth of 522 areas in the state of Washington to be ranked.

Alan Turing (Wikipedia) Alan Mathison Turing OBE FRS (/ˈtjʊərɪŋ/; 23 June 1912 – 7 June 1954) was an English mathematician, computer scientist, logician, cryptanalyst, philosopher and theoretical biologist. Turing was highly influential in the development of theoretical computer science, providing a formalisation of the concepts of algorithm and computation with the Turing machine, which can be considered a model of a general-purpose computer. He is widely considered to be the father of theoretical computer science and artificial intelligence.