Template:Selected anniversaries/April 15: Difference between revisions
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File:Johann Philipp Reis.jpg|link=|1854: Scientist and inventor [[Johann Philipp Reis (nonfiction)|Johann Philipp Reis]] uses [[scrying engine]] technology to fight [[crimes against mathematical constants]]. | File:Johann Philipp Reis.jpg|link=|1854: Scientist and inventor [[Johann Philipp Reis (nonfiction)|Johann Philipp Reis]] uses [[scrying engine]] technology to fight [[crimes against mathematical constants]]. | ||
</gallery> | </gallery> | ||
1452 – Leonardo da Vinci, Italian painter, sculptor, and architect (d. 1519) | |||
https://en.wikipedia.org/wiki/Leonhard_Euler | |||
https://en.wikipedia.org/wiki/Pietro_Cataldi | |||
Revision as of 15:25, 1 March 2017
1854: Scientist and inventor Johann Philipp Reis uses scrying engine technology to fight crimes against mathematical constants.
1452 – Leonardo da Vinci, Italian painter, sculptor, and architect (d. 1519)