Editing 1939 in science (section)

==Births==
* January 20 – [[Chandra Wickramasinghe]], Ceylonese-born British astronomer.
* January 22 – [[Helmut Rauch]], Austrian physicist (died [[2019 in science|2019]]) 
* April 17 – [[Jan Hoem]], Norwegian population scientist (died [[2017 in science|2017]])
* May 12 – [[Chuck Hull]], American inventor, pioneer of [[3D printing]].
* May 13 - [[Brian J Ford]], British biologist, broadcaster, writer and lecturer.
* May 18 – [[Peter Grünberg]] (died 2018), German physicist, winner of the [[Nobel Prize in Physics]].
* May 19 – [[Dick Scobee]] (killed 1986), American [[astronaut]].
* June 26 – [[Julia Polak]] (died 2014), Argentine-born British [[pathologist]] and pioneer of [[tissue engineering]].
* June 28 – [[Klaus Schmiegel]], German-born organic chemist, inventor of [[Prozac]]
* August 12 – [[David King (chemist)|David King]], South African-born British physical chemist.
* August 19 – [[Alan Baker (mathematician)|Alan Baker]] (died 2018), English mathematician.
* September 9 – [[John Dwyer (medicine)|John Dwyer]], Australian public health practitioner.
* September 24 – [[Jacques Vallée]], French ufologist.
* October 7
** [[John Hopcroft]], American theoretical [[computer scientist]].
** [[Harry Kroto]] (died 2016), English organic chemist, winner of the [[Nobel Prize in Chemistry]].
* October 10 – [[Neil Sloane]], Welsh-born American mathematician.
* November 7 – [[Barbara Liskov]], American computer scientist, [[Turing Award]] winner.
* November 11 – [[Alf Adams]], English physicist.
* November 18 – [[John O'Keefe (neuroscientist)|John O'Keefe]], American-born British [[neuroscientist]], winner of the [[Nobel Prize in Physiology or Medicine]].