Gerald Frug  Gerald Frug (born 1939) is the Louis D. Brandeis Professor of Law at Harvard Law School, and a leading academic authority on local government law. He was married to feminist law professor Mary Joe Frug, who was murdered in 1991. Frug has advocated regional cooperation to solve local government problems. He graduated from University of California, Berkeley and Harvard Law School and previously worked for the City of New York and the Equal Employment Opportunity Commission.