Thomas Brennan Nolan

Thomas Brennan Nolan
Nolan as Director of USGS
7th Director of the United States Geological Survey
In office
1956 (1956) – 1965 (1965)
Preceded byWilliam Embry Wrather
Succeeded byWilliam Thomas Pecora
Personal details
Born(1901-05-21)May 21, 1901
DiedAugust 2, 1992(1992-08-02) (aged 91)
Scientific career
Alma materYale University
FieldsPetrography, Geology
InstitutionsUS Geological Survey
ThesisGeology of the northwest portion of the Spring Mountains, Nevada (1924)
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Thomas Brennan Nolan (May 21, 1901 – August 2, 1992) was an American geologist who was the seventh director of the United States Geological Survey (USGS) from 1956 to 1965. The mineral nolanite is named in his honor and he was an elected member of the American Academy of Arts and Sciences, the United States National Academy of Sciences, and the American Philosophical Society. He was generally known as Tom Nolan.