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Frederick J. M.  Oldach

Frederick J. M. Oldach was born in October 1823 in Mecklenberg, Germany. He emmigrated to Philadelphia in 1848, and worked at first as a comb maker, but his fellow German immigrant and roommate at the boarding house, Otto Map, was a bookbinder and appears to have introduced him to that profession. Frederick took a liking to bookbinding, and had established himself as a bookseller by 1860. He was not without funds, either; he declared his personal estate in 1860 to be $5,000, a substantial sum for a working man in those days. By 1870 he had acquired a wife, Frederika, who had given him three sons: Herman, Fred Jr., and Charles. Two more sons, Albert and George, were born in the years following. He listed his occupation in 1870 as "bookbinder," a profession that eventually included all five of his sons and some grandsons in the book manufacturing firm of Oldach & Company in Philadelphia. The fact that Frederick was also a serious mineral collector may have provided some inspiration to his grandson, Fredrick M. Oldach (born Feb. 1892, son of Herman), who eventually obtained a degree in geology and joined the faculty of the University of Pennsylvania, where he taught mineralogy.

U.S. Federal Census 1850, 1860, 1870, 1880, 1900, 1910, 1920, 1930.
Philadelphia City Directory, 1890.
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WILSON, Wendell E. (2019)
Mineralogical Record
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