Lewis Daniel "Lew" Sargentich (b. 1944), frequently referred to simply as "Sarge", has been a professor at Harvard Law School since 1973 where he teaches courses tort law and jurisprudence. Sargentich is well known for his record as a student at Harvard Law School, where he both named and first analyzed the First Amendment "overbreadth doctrine" in a student note. He graduated summa cum laude. He co-authored the popular tort law casebook Tort and Accident Law: Cases and Materials with Gregory Keating and Robert Keeton.