Private Foundations Annual Return The Hirschhorn Foundation The annual return of the private foundation The Hirschhorn Foundation required to be filed under section 6033 Internal Revenue Code, is available for public inspection at its principal office at 5816 Divine Street, Madison, WI 53718, (305) 389-4726 for inspection during regular business hours by any citizen upon request, within 180 days after the date of this publication. Joel Hirschhorn, Principal Manager IPL0290614 Nov 14 2025