Editing 1989 in science (section)

==Deaths==
* February 27 – [[Konrad Lorenz]] (born [[1903 in science|1903]]), Austrian [[zoologist]].
* March 18 – Sir [[Harold Jeffreys]] (born [[1891 in science|1891]]), English [[mathematician]].
* April 24 – [[Horace Hodes]] (born [[1907 in science|1907]]), American medical researcher.
* August 10 – [[Isabella Forshall]] (born [[1900 in science|1900]]), English [[pediatric surgeon]].
* August 12 – [[William Shockley]] (born [[1910 in science|1910]]), American [[physicist]].
* August 20 – [[George Adamson]] (born [[1906 in science|1906]]), British [[wildlife conservation]]ist.
* August 29 – Sir [[Peter Scott]] (born [[1909 in science|1909]]), English wildlife conservationist.
* October 11 – [[M. King Hubbert]] (born [[1903 in science|1903]]), American [[geophysicist]].
* October 28 – [[Louise Hay (mathematician)|Louise Hay]] (born [[1935 in science|1935]]), French-born American mathematician; breast cancer.
* December 14 – [[Andrei Sakharov]] (born [[1921 in science|1921]]), Soviet Russian [[Nuclear physics|nuclear]] [[physicist]] and political dissident.