The philosopher Michael Theunissen died on April 18, 2015.  He studied in Bonn and Freiburg and defended his much-cited habilitation thesis Der Andere: Studien zur Sozialontologie der Gegenwart (The Other: Studies in Contemporary Social Ontology) in Berlin in 1964.  He was professor in Berne, then Heidelberg and Berlin, where he was colleague alongside figures such ..

John Arras, professor of biomedical ethics and philosophy at the University of Virginia, has died. Professor Arras was known for his work in bioethics. Prior to moving to Virginia, he taught at the Albert Einstein College of Medicine-Montefiore Medical Center and Barnard College. In addition to his research an teaching, Arras was known for his public service. He was..

Georg Kreisel, known for his work in philosophy of math, has died. Prior to his retirement in 1985, Kreisel held appointments at Stanford, the University of Paris, the University of Reading, and the Institute for Advanced Study. He was a student of Wittgenstein, who is reported to have said that Kreisel was the “most able philosopher he had ever met who was also a m..

Keith Donnellan, professor emeritus in the philosophy department at UCLA, has died. Donnellan was known for his work in philosophy of language, particularly on definite descriptors. I will post links to obituaries as they appear.

Irving Singer, professor emeritus of philosophy at MIT, has died. He had been at MIT since 1958. The following is from an obituary posted by MIT:

Singer was an eminent philosopher whose academic career spanned 65 years — with more than half a century as a professor at MIT.  Singer was the author of 21 books in the field of humanistic philosophy, focusing on topic..

Peter Menzies, Emeritus Professor of Philosophy, Macquarie University, has died. Before his appointment at Macquarie, he held positions at the University of Sydney and Australia National University. He had also been a visiting scholar at several institutions, including MIT, Stanford, and Cambridge.

Huw Price and Philip Pettit write (over the PHILOS-L list):

Pe..

Jonathan Trejo-Mathys, an assistant professor of philosophy at Boston College, has died. Trejo-Mathys worked mainly in political philosophy and critical social theory. Prior to his appointment at Boston College, he had been a Fulbright Scholar as well as a fellow at the Justitia Amplificata Centre for Advanced Studies in Frankfurt. He received his PhD in 2009 from N..