1833 in science

The year 1833 in science and technology involved some significant events, listed below.

Biology

* Anselme Payen discovers diastase (the first enzyme to be discovered).
* Marshall Hall coins the term "reflex" for a muscular reaction.

Chemistry

* Thomas Graham proposes Graham's Law.

Physics

* Wilhelm Eduard Weber develops an electromagnetic telegraph.

Awards

* Copley Medal: Not awarded

Births

* March 25 - Fleeming Jenkin (d. 1885), engineer.
* May 5 - Ferdinand Paul Wilhelm Richthofen (d. 1905), geographer.
* June 29 - Peter Waage (d. 1900), chemist.
* October 9 - Eugene Langen (d. 1895), engineer
* October 17 - Paul Bert (d. 1886), physiologist.
* October 21 - Alfred Nobel (d. 1896), inventor.
* December 2 - Daniel von Recklinghausen (d. 1910), pathologist.

Deaths

* January 10 - Adrien-Marie Legendre (b. 1752), mathematician.
* February 6 - Pierre André Latreille (b. 1762),zoologist.
* February 14 - Gottlieb Kirchhoff (b. 1764), chemist.
* April 22 - Richard Trevithick (b. 1771), engineer and inventor.
* July 5 - Nicéphore Niépce (b. 1765), inventor.
* October 31 - Johann Friedrich Meckel (b. 1781), anatomist.