Simplify the following text for a Grade 14 native English-speaking person.
Original: Roger Bruce Myerson ( born March 29 , 1951 ) is an American economist and Nobel laureate recognized with Leonid Hurwicz and Eric Maskin for `` having laid the foundations of mechanism design theory . ''
Simplified: Roger Bruce Myerson ( born 29 March 1951 ) is an American economist and co-winner , with Leonid Hurwicz and Eric Maskin , of the 2007 Nobel Prize in Economics `` for having laid the foundations of mechanism design theory . ''