Loren, of Aberdeen, N.J., died Jan. 20, 2003, of breast cancer; she was 40.
Loren came to Princeton from Rumson-Fair Haven Regional HS. At Princeton she majored in mathematics and was an active member of the women's rugby team. She was a member of Tower Club and a regular midnight patron of the Princeton Diner.
After Princeton, Loren earned a master's in mathematics from the U. of Michigan, and a PhD from the Committee for the Conceptual Foundations of Science at the U. of Chicago. She also studied at UC Berkeley, where she fell in love with Stuart Feffer. She was a lecturer in the Dept. of History and Sociology of Science at Penn, and earlier was a postdoctoral fellow at the IEEE Center at Rutgers. Her work has been published widely, and she was a member of the History of Science Society and the American Assn. for the Advancement of Science.
Most recently, Loren was an independent scholar and a violinist for the Monmouth Symphony Orchestra. She is survived by her husband, Stuart Feffer; her parents, Elliott and Betty Wheeling Butler; a brother, Edward; and a sister, Pamela. The class extends its deepest sympathy to them all.