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Joseph Willcox

Joseph Willcox was born April 11, 1829 in Concord, Pennsylvania, the son of Mary Brackett and James Mark Willcox the elder, a "gentleman." From 1854 to 1867 he worked in partnership with his brothers manufacturing high-grade paper at the historic Willcox Mills in Delaware County, Pennsylvania. He served during the Civil War in 1862 as Captain of Company F of the Pennsylvania Militia. He married Emma Philipson Morgan 1864.

Willcox was appointed Curator of Minerals for the Delaware County (Pennsylvania) Institute of Science in 1870, and was among the greatest contributors to the collection. When he sold his private collection he allowed Clarence Bement to have first choice, and the British Museum second choice; the remainder, mostly Pennsylvania specimens, were given tyo the Smithsonian on September 8, 1891. He was a member of the Board of Commissioners for the second Pennsylvania Geological Survey from 1877 to 1895. Upon his retirement, he devoted his time to geology and mineralogy. He died September 30, 1918.

Willcox Family Genealogy, p.33
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