Peter Stafford, author of the fascinating Psychedelics Encyclopedia died on July 20, 2007. Bruce Eisner, his friend, writes:
Peter Stafford (1941-2007) author of Psychedelics Encyclopedia, and LSD in Action died last night in Santa Cruz, California. Peter was a friend of mine since we met in Canada back in 1971 and I will miss him.Link
I will add more to this post in the next day or so.