Frank Donnelly is the Geospatial Data Librarian at Baruch College, City University of New York (CUNY), where he supports members of his university with finding, processing, understanding, and using location and place-based data sets. He holds an MLIS (master of library and information science) from the University of Washington and an MA in geography from the University of Toronto. He blogs about GIS (geographic information systems), data sets, scripting, and the census at: https://atcoordinates.info.