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== Gnomon Chronicles: | == Gnomon Chronicles: June 15 == | ||
{{Selected anniversaries/ | {{Selected anniversaries/June 15}} |
Revision as of 18:25, 15 June 2018
Gnomon Chronicles: June 15
1906: Mathematician, cryptographer, and author Gordon Welchman born. During the Second World War, he will develop traffic analysis techniques for breaking German codes.
1995: Physicist, inventor, and academic John Vincent Atanasoff dies. He invented the Atanasoff–Berry computer, the first electronic digital computer.
2022: Ely, Minnesota water tower.