Oh oops! I missed that they're supposed to be passed on.. all the ones I mentioned are still alive and kickin'. But one day this post will be relevant!
Keep in mind, this is about puppetmakers who have shuffled off the mortal coil, hopped the twig, kicked the bucket, turned up their toes, cashed in their chips, expired, departed, passed on and crossed over! And those two gentlemen, I'm pleased to say, don't qualify!