A couple nice articles about Mr. Kershner, as well as some wonderful pics and video clips:
http://www.aintitcool.com/node/47604
http://www.aintitcool.com/node/47600
The picture with Irvin and Vader facing each other is gold. Quint, Beaks, and Hercules said some great things. They also mentioned how cool it would be if TCM did a tribute, showcasing his "pre-Empire" work. I'd be down for that!