Well worth a read! I only came across this on facebook because a photographer for a local newspaper posted it on his page. The man in question (sir John Gorman) only lived about 20 miles from me and this is the first time I've heard of this. Enjoy!
Crazy Irishman: Rammed a Tiger II with his Sherman....then went off looking for a Firefly to make sure the Tiger wouldnt be going anywhere - WAR HISTORY ONLINE