Gilbert Sorrentino, an underrated but very influential writer often lumped in with other postmodernists such as Barthelme, Pynchon, et al., has died. [via Conversational Reading]. Sorrentino is well known for his novel Mulligan Stew, as well as a host of others. His son Christopher published the novel Trance last year, which was nominated for a National Book Award.
Update: Paul Saxton has some audio files of Sorrentino interviews and readings.