Mary-Dell Chilton, who died at 87, led a team credited with developing the first genetically modified plant. “I always felt like I didn’t want to be hired or advanced or anything b

Mary-Dell Chilton, who died at 87, led a team credited with developing the first genetically modified plant. “I always felt like I didn’t want to be hired or advanced or anything because I was a woman,” Dr. Chilton said.