a big complicated machine. Went was originally enormously annoyed by this word. But Dr. Millikan took it right up saying, ‘this edifice financed by Mr. Earhart, is going to do for plant biology what the cyclotron has done for physics,’ and he christened it a phytotron." Phytotrons spread around the world between 1945 and the present day to Australia, France, Hungary, the Soviet Union, England, and the United States. Moreover, they have spurred variants such as the Climatron at the Missouri Botanical Garden, the Biotron at the University of Wisconsin-Madison, the Ecotron at Imperial College London and the Brisatron at the Savannah River Ecology Laboratory. See also Biotron (disambiguation) References David P.D. Munns, Engineering the Environment: Phytotrons and the Quest to Control Climate in the Cold War (University of Pittsburgh Press, 2017). External links The NCAR Phytotron The Phytotron at World of Trons Greenhouses Atmospheric chemistry