The Porn Hunter – There’s Cash in Grandpa’s Dirty Pictures.
Rotenberg is one of the country’s preeminent porn collectors. Four Taschen books have been based on his personal stash—nearly 200,000 pieces and growing. “I want to acquire all that I can afford,” he says. “EBay is like New York to me—it’s the land of temptation. There are vintage-nude-photo auctions ending every 30 seconds.”