1809 in science

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The year 1809 in science and technology included many events, some of which are listed here.

Awards

• Copley Medal: Edward Troughton

Births

• January 4 - Louis Braille (d. 1852), inventor.
• February 12 - Charles Darwin (d. 1882), naturalist.
• February 15 - Cyrus McCormick (d. 1884), inventor.
• April 15 - Hermann Günther Grassmann (d. 1877), mathematician.

Deaths

• August 18 - Matthew Boulton, engineer (* 1728)
• October 11 - Meriwether Lewis, explorer (* 1774)