David Allan Horwich ’66

Allan died July 1, 2025, after a five-month battle with pancreatic cancer.

He came to Princeton from Westside High School, in Omaha, where he won the Brandeis Award and was a member of the state championship mathematics team. At Princeton, he majored in philosophy and wrote his senior thesis on religious language. He was a member of the Woodrow Wilson Society. Roommates included John Godich, Ken Boudwin, and Dave Garlow.

After graduation, Allan enrolled in the University of Chicago Law School, earning his J.D. degree in 1969. He then joined the Chicago law firm Schiff Hardin & Waite (now known as ArentFox Schiff), where he worked until retiring in 2024.

Allan had an outstanding career at Schiff Hardin, where he concentrated in securities regulation and served on the firm’s management committee. He also taught securities law and was professor of practice at Northwestern Law School. He published numerous articles on securities law and related subjects.

He resided in Old Town, in Chicago, with his wife, Carolyn, whom he met at Schiff Hardin. In addition to Carolyn, he is survived by son Benjamin ’99 and daughters Diana, Eleanor, and Flannery, to all of whom the class sends its heartfelt condolences.