In IMDB you can see this information

(February 2004) He teaches photography in Los Angeles, California.
After learning the 19th Century Wet-Plate process from artist Stephen
Berkman and studying with master photographers Cole Weston and George
Tice, Barret's print work ha been part of numerous gallery and museum
exhibitions. He has also done the Wet-Plate process in Ireland for a
recent Guinness commercial and in Romania for the motion picture Cold
Mountain. In addition, he has written articles on photography and
contributed to demonstrations and workshops.

Hey I just found this too! People in California should make a
pilgrimage!!!!

Friday, May 21, 2004- Art Show reception: "A New Show Concerning
Nature and Spirit"

Oil paintings by James Synnestvedt and photographs by Barret Oliver.

All are welcome!

230 East Orange Grove Ave, #230 (upstairs) Burbank, CA

(818) 563-2332