Abstract
On 26 April 1883, two days after the divorce from his first wife, Harriet Melusina Fay, was finalized, Charles Peirce married Juliette Pourtalai, a woman of unknown, or at least of unspoken, origin.1 This marked the most consequential juncture of Peirce's life for it triggered a turn of events which led to his dismissal from Johns Hopkins University and his separation from the U.S. Coast & Geodetic Survey2 and it precipitated his exclusion from influential social circles he had belonged to and even to some extent from his own family. Four years after their marriage, Charles and Juliette abandoned urban living and retreated to Milford, Pennsylvania, a village in the Upper Delaware River Valley between...