- 1907 in science
The year 1907 in
science andtechnology involved some significant events, listed below.Chemistry
*
Emil Fischer artificially synthesizespeptide amino acid chains and thereby shows that amino acids inprotein s are connected by amino group-acid group bonds
*Georges Urbain discoveredLutetium . FromLutetia (ancient name ofParis ).Geology
*
Bertram Boltwood proposes that the amount of lead in uranium and thorium ores might be used to determine the Earth's age and crudely dates some rocks to have ages between 410--2200 million yearsPhysics
*
Albert Einstein introduces the principle of equivalence of gravitation and inertia and uses it to predict thegravitational redshift Psychology
*
Ivan Pavlov demonstrates conditioned responses with salivatingdog sMedicine
*
Paul Ehrlich develops a chemotherapeutic cure forsleeping sickness Technology
*
Lee DeForest invents thetriode thermionic amplifier, starting the development ofelectronics as a practical technology.
* TheAutochrome Lumière is the first color photography process marketed.Awards
*
Nobel Prize s
** Physics -Albert Abraham Michelson
** Chemistry -Eduard Buchner
** Medicine -Charles Louis Alphonse Laveran Births
*
January 12 -Sergei Korolev (d. 1966),space scientist .
*June 25 -Hans Daniel Jensen (d. 1973), Germanphysicist .
*July 7 -Robert A. Heinlein (d. 1988), hardscience fiction author
*August 30 -John Mauchly (d. 1980), co-inventor of theENIAC computer .Deaths
*
January 20 -Dmitri Ivanovich Mendeleev (b. 1834),chemist .
*December 17 - William Thomson (b. 1824), Lord Kelvin, physicist.
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