Simplify the following text for a Grade 6 native English-speaking person.
Original: The firm was founded by AmÃ dÃ e Gordini nicknamed `` Le Sorcier '' ( The Sorcerer ) .
Simplified: The firm was founded by AmÃ dÃ e Gordini . His nickname was `` Le Sorcier '' , which means `` The Sorcerer '' .