“He really wants smart people to have kids, so he encouraged me to,” Zilis says. When she decided that she was ready, he suggested that he be the sperm donor so that the kids would be genetically his. The idea appealed to her. “If the choice is between an anonymous sperm donor or doing it with the person you admire most in the world, for me that was a pretty fucking easy decision,” she says. “I can’t possibly think of genes I would prefer for my children.” There was another upside: “It seemed like something that would make him very happy.”
