Venice Beach Rock Festival, 1968, by photographer Dennis Stock, who died last night at the age of 81. Stock apprenticed with W. Eugene Smith and Gjon Mili before being invited by Robert Capa to join Magnum Photos, where his contemporaries included Capa and Henri Cartier-Bresson. Visit NPR's excellent photo blog The Picture Show to listen to an interview with Dennis Stock on the occasion of a recent exhibition of his work in Woodstock, NY, and see much more of his work (and an audio slideshow) at Magnum.