Robert Allen Cooley (1873-1968), US entomologist, in his laboratory. Cooley was professor of zoology and entomology at Montana State University, USA.
Robert Allen Cooley (1873-1968), US entomologist, in his laboratory. Cooley was professor of zoology and entomology at Montana State University, USA. He worked on the problem of Rocky Mountain Spotted Fever, which was a fatal disease found in Montana's Bitterroot Valley. Cooley, working at the Rocky Mountain Laboratory in Hamilton, Montana, confirmed the cause as Rickettsia bacteria transmitted by ticks. By 1924, a vaccine had been developed. Cooley, who became a leading authority on the disease, was state entomologist from 1903 to 1931. Photographed on 21 April 1938, at Rocky Mountain Laboratory.
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