Someone made a logical deduction and put it here http://thatsmyskull.blogspot.com/2009/06/body-identified-as-missing-pa rk-ranger.html and close up of the newspaper headline and article http://farm4.static.flickr.com/3607/3616445862_cef543b0bb_o.jpg
shareThe actor that played him (Spencer Milligan) had a falling out with the producer so he was replaced by the character "Uncle Jack" (played by Ron Harper) for the third and final season. I remember the third season had a noticeable decline in quality compared to the previous seasons (the second was the best).
shareHe didn't feel like the actors were getting a fair share of the merchandising. The Kroft's wouldn't up the ante, so he didn't sign for the third season.
shareAccording to Spencer Milligan, Rick's fate is a mystery.
shareIf you're living in a land with a lot of carnivorous dinosaurs, and somebody goes missing, you don't talk about what happened to that person.
shareRick was able to find a way home. But, poor Uncle Jack ended up "Lost" probably while looking for them.
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