See also: 1900 in science, other events of 1901, 1902 in science and the list of years in science.
Biology Okapi, a relative of the Giraffe found in the rainforests around the Congo River in north east Zaire, is discovered (previously known only to local natives). Chemistry The Edison Storage Battery Company is founded. Europium discovered by Eugéne Demarcay Mathematics Élie Cartan develops the exterior derivative. Medicine Epinephrine is rediscovered by Jokichi Takamine, who names it adrenaline. Photography Eastman Kodak introduced the 120 film. Physics Guglielmo Marconi transmits radio signals from Cornwall to Newfoundland. Awards First Nobel Prizes awarded Physics - Wilhelm Röntgen Chemistry - Jacobus Henricus van 't Hoff Medicine - Emil Adolf von Behring Wollaston Medal for Geology - Charles Barrois Births February 28 - Linus Pauling, chemist, Nobel Prize winner for chemistry and peace September 29 - Enrico Fermi, physicist December 5 - Werner Heisenberg, physicist December 16 - Margaret Mead, anthropologist Deaths February 22 - George FitzGerald, mathematician