I once had an English prof, from England btw, who insisted on pronouncing JRR Tolkien as TOLL-KEEN. My friends and I got him to stop by mangling every other authors' last names. What an annoying semester that was!
"TOLE-keen" is the correct pronunciation of his name (It'scloser to "TUHL-keen" really - not sure of the correct pronunciation symbols to use, but the second syllable is unaccented and definitely "keen") . How did you convince him to pronounce it?