I think you are right.Â
Brevin Knight played in the All-Star Weekend Rookie game but was never an all-star. Neither of the Collins twins were All-Stars and our best NBA players of the 70s and 80s, Mike Bratz, Todd Lichti, Adam Keefe, Rich Kelly never made it to the All-Star game. Claude Terry played in an all-star game but with the ABA.
Does that make George Yardley Stanford's last NBA all-star? (And maybe our only other All-Star?)
(Note: The website below lists Howie Dallmar as "All NBA First Team" in 47-48 but does not show him as an All-Star. Perhaps they didn't have an All-Star game back then?)
http://www.basketballreference.com/playe...University