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, Neb., where he won the Brandeis Award and was a member of the state mathematics championship 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 a law degree in 1969. He then joined the Chicago law firm Schiff Hardin & Waite (now ArentFox Schiff), where he worked until retiring in 2024.

Allan had an outstanding career at Schiff Hardin, concentrating in securities regulation and serving on the firm’s management committee. In addition to practicing law, he taught securities law and was professor of practice at Northwestern-Pritzker Law School. He published numerous articles on securities law and related subjects.

Allen 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. The class sends heartfelt condolences to them all.