Dr. Charles E. Yale, age 85, died peacefully in his sleep on Nov. 7, 2010, at his home in Mesa, Ariz. Before retirement he had been Professor of Surgery Emeritus at the UW School of Medicine in Madison where he established the Gnotobiotic Laboratory to study bowel obstruction in germ-free rats. He was also one of the developers of gastric surgery for the morbidly obese.