A longtime member of the Departments of Philosophy and Religion at the University of Illinois, Urbana-Champaign, where he was emeritus, Professor McKim wrote widely in philosophy of religion, applied ethics, and also in the history of modern philosophy. The Illinois memorial notice is here. Comments are open for remembrances from those who knew Professor McKim or for those who wish to comment on the significance of his work.
(Thanks to Jeff McMahan for the pointer.)