Template:Selected anniversaries/December 21: Difference between revisions

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||1542 – Thomas Allen, English mathematician and astrologer (d. 1632)
||1542 – Thomas Allen, English mathematician and astrologer (d. 1632)
||Johann Christian Wiegleb (b. December 21, 1732) was a notable German druggist and early innovator of chemistry as a science.


||1805 – Thomas Graham, Scottish chemist and academic (d. 1869)
||1805 – Thomas Graham, Scottish chemist and academic (d. 1869)

Revision as of 16:39, 11 December 2017