Dr. O'Neil was one my heroes as well, and sadly he was not preserved. 
Niether were Gene Roddenberry or Timothy Leary (biggest surprise of 
all).  All of them  had their ashes flown into space.
There was some discussion on this list awhile back  about why people who 
promoted extropian ideas including  immortality, succumbed to entropy in 
the end.
Paul Hughes
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