As far as the MN Iceman goes, Chambers did claim he made it. I read an item to this effect soemwhere on the web, and Googling for half an hour would probably turn it up. Additionally, within the past week, in response to an inquiry I'd sent him on another matter, Peter van Puttkamer, producer of the 1999 documentary "Sasquatch Odyssey" (available for $30 on Amazon--less for a used copy), told me that Chambers had told him from his nursing home (presumably by phone) that he'd made the Iceman.
Or AN Iceman. It would depend on the date he made it whether this was the "original" or the "copy." Too bad the date wasn't nailed down.
Two minor implications of this statement occur to me. First, that the OTHER folks who claim to have made the Iceman were just attention-seekers. (Or Chambers was. Or both were. Or the other family made the original Iceman and Chambers made the replacement. Or vice versa. Whatever. Anyway, not every “confession” can be taken at face value.)
Second, that Chambers didn't feel bound to keep mum about such deals. (Unless the pledge of confidentiality in the Patterson deal had been stronger than in the Iceman deal, as would have been more than likely.)
It's a Hall of Mirrors and Maybes!
(Chambers also repeated to van Puttkamer his denial that he'd made the Patterson Bigfoot.)
According to Hansen (and who believes him?) all Chambers did was point him to Pete and Betty Corral.
"In January 1967, I made sketches of the real creature and went to Hollywood to confer with the men who make models for the motion picture industry. I talked with Bud Westmore, the director of make-up at Universal Studios. He informed me that such a model might cost up to $20.000. Westmore didn't have the time to make the creation, but he agreed to offer his technical knowledge if I needed it. He also agreed that it would be a "challenging" endeavor. I then consulted with a staff member of the Los Angeles County Museum. He suggested that I contact Howard Ball, an independent artist who was creating life-size fiberglass elephants to be displayed at the La Brea tar pits. I later engaged Ball to sculpture the carcass and mold the body.
John Chambers, a make-up artist and academy award winner from 2Oth-Century Fox suggested that a small wax studio in Los Angeles could implant the hair according to my specifications. I approached Pete and Betty Corral. They agreed to do the work and implanted each hair individually with an open-end needle. I constantly directed this portion and their work was magnificent. They were great artists and a pleasure to deal with."
http://www.bigfootencounters.com/articles/hansen.htm
Sanderson said this:
"However, two separate companies specializing in model-making for waxwork museums, exhibits, and film companies in Hollywood California, have been traced, and individual model-makers working for both have stated that they made copies with wax or latex and using hair from bears. Mr. Hansen, the caretaker, informed us in January of this year that such a model had been made in April of 1967 because the owner of the original was worried about its safety. An object such as this could possibly be constructed, starting with the skin of a large male, pale-skinned chimpanzee, using a human skull, glovemakers wood racks for the hands, and so forth. The original could have been of this nature, and then a copy, or copies, made from it."
http://www.bigfootencounters.com/articles/iceman.htm
"The relevance of this question became especially clear with the publication in FATE (March 1982) of the piece, "The Iceman Goeth", in which debunkers referred to one Howard Ball, "who died several years ago" and who "made models for Disneyland." "He made (the Iceman) here in his studio in Torrance (Calif.)," Ball's widow Helen told Emery. "The man who commissioned it said he was going to encase it in ice and pass it off, I think, as a prehistoric man." Ball's son Kenneth helped his father build the figure. He says its "skin" is half-inch-thick rubber. "We modeled it after an artist's conception of Cro-Magnon man and gave it a broken arm and a bashed-in skull with one eye popped out." (p.59)."
http://www.bigfootencounters.com/articles/iceman_update2005.htm
Of course Hansen had already named Ball in 1970, but I guess the debunkers didn't let that interfer with their debunking.
Hansen also said there were several counterfeits, some even being shown under his name.
Chambers did make the Burbank Bigfoot, which was fashioned over a body cast of Richard Keil.
As to the thigh hernia, I thought that was only noticed when the PGF was digitalized for LMS. Am I wrong about that? Did Bourtsev even know about it?