Professor Hauptman has been a member of the faculty since 1965. He is the author of Federal Taxation - Compendium of Federal Income, Estate and Gift Taxation (1969 with annual update), and Analyses of Income Tax Provisions of Economic Recovery Tax Act of 1981 for the Brooklyn Bar Association. He serves as the Alternate Representative to the Research Advisory Group on Public Corporations of the Joint Legislative Committee to Study Revision of Corporate Laws, and is a lecturer for the Practicing Law Institute on federal taxation.