Original sentence: Joseph Dunninger and Al Koran were national stars of this art form in the USA.Mentalism requires the performer to display an authoritative, charismatic stage presence.Practitioners may claim scholarly credentials, most often in the field psychology.Some stage mentalists, such as The Amazing Kreskin and Derren Brown, make it known to their audiences that they are performing illusions, while others, like Uri Geller, use these illusions to give their audiences the impression that they actually possess supernatural powers
Edited sentence: Joseph Dunninger and Al Koran were national stars and the masters of this art form.Many times there are claims of scholarly credentials, usually in psychology.Some stage mentalists, such as The Amazing Kreskin and Derren Brown, make it known to their audiences that they are performing illusions, while others, like Uri Geller, use these illusions to give their audiences the impression that they actually possess Divine favor or extra-terrestrial powers.The illusions produced by mentalism can be very striking because of their unusual personal nature, the performer has invaded your privacy, and is reading your thoughts.Unlike magic mentalism at its best requires a performer displaying a very dynamic and authoritative personality