My grandfather's hobby was collecting clocks and repairing them. He was completely self taught. Other clock repairmen would bring their problems to him.
Many years ago, he bought this Gold Coin puzzle which is now a treasured family heirloom. Recently I saw it for the first time in at least 20 years. I made this little video. The objective: What time is it?
Cedric Grolet was recently awarded the honor of being the best pastry baker in the world. Check out his Rubik's Cube cakes. Scroll down a bit.