Exactly Bingo, Dave seems to get a lot of slagging for his role.
David Prowse was the actor who was Darth Vader, the power of his stride & screen presence in Star Wars & Empire Strikes Back were essential in creating the character, the VO of James Earl Jones and the mechanical breathing were the finishing touches to make Darth Vader the top Screen Villian.
JEJ didn't think his VO deserved a mention in the end credits of SW
J