His business magic of buying and selling land, selling buildings and buying up others largely played out behind the scenes and shaped the Las Vegas skyline at the same time he was buying and selling the MGM movie studio – twice – and itching to take over automaker Chrysler. Ultimately, the eighth-grade dropout turned boxer who started a small charter airline ferrying travelers to and from Las Vegas built the first modern mega-resort in 1969 and then another and another , each time the world’s largest hotel.