Joseph John Fahey (July 30, 1901 – June 29, 1980) was an American geologist and geochemist.
[1] During his career, he named seventeen minerals,[2] including bradleyite, edgarbaileyite, loughlinite,[3] mansfieldite,[4] and wherryite.
[6][2] He and his family soon moved to Washington, D.C., where he attended Gonzaga High School and was educated in the classics.
[2] From 1922 to 1927, he was employed by the U.S. Bureau of Public Roads, and was transferred to the Geological Survey in 1927.
[10] He died at the Fairland Nursing Home in Silver Spring, Maryland,[b] on June 29, 1980.