Oldest Practicing Doctor

Dr. Leila Denmark was an American pediatrician who earned the title of oldest practicing pediatrician until her retirement on May 2001 at the age of 103. Not only was Leila the oldest practicing pediatrician, but was also a super centenarian living to be 114 years old. She was one of the 100 oldest people ever and at the time of her death was the 4th oldest verified person in the world.