Jesus Christ - obvious reasons
Louie Simmons - great training advice from the guru
Edward Caycee - pick his brain about his "visions"
Edward Leedskanlin - to find out how in the hell he built Coral Castle
Adolf ****** - I'd just like to throw food at him and demean him in every possible way before I chopped off his pecker, made him eat it and jab fork into his juggular.