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In page Drexel Hill, Pennsylvania:

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Thornfield, the estate of famed abolitionist and Quaker Thomas Garrett, lies on Garrett Road (named for his family, who were among the earliest settlers of that part of the township) and Maple Avenue in Drexel Hill. Garrett resided here before 1822 and would later work as a station master in Wilmington, Delaware, the last stop on the Underground Railroad. In 1956, the Thornfield estate was purchased by Caroline and Walter Isard, active Quakers who moved to the area when Walter founded the Regional Science department at the University of Pennsylvania. As of 2014, the estate is owned by Randal T. Rioux.[citation needed] It is currently undergoing restoration, along with renovations necessary to preserve its history and allow for modern capabilities.[citation needed]