Tom Cruise and the Study Technology developed by Scientology Founder L. Ron Hubbard
Here is a piece about Tom Cruise and his success with the Study Technology developed by Scientology Founder L. Ron Hubbard: Cruise credits Scientology for his success
Just to clarify a couple of things from the article: a) the Study Technology is secular, it is not religious in nature. b) the "having an object you are studying" described in the article is only one small part of the Study Technology. For more details check out this description on the Applied Scholastics website: What is Study Technology?