Pennsylvania surveyor and cartographer.

Apprenticed to Thomas Holmes, the first surveyor general of Pennsylvania. Worked extensively on Pennsylvania frontier, especially in the Minnisink valley; spoke local Native American languages. Member of the Junto and the Library Company; composed a rhymed description of a Junto meeting. Surveyor general of Pennsylvania (1748-61). Published several maps of Philadelphia (1750, 1759, 1762) and, in association with George Heap, a print entitled An East Prospect of the City of Philadelphia (1754).

Son of Nicholas Scull of Pennsylvania. Married Abigail Heap (1708); had issue.