The primary obstetrician for Merry during her pregnancy.  Heelis was described as tall, in his sixties, with short white hair, gray eyes behind silver-framed glasses, and a handsome, square-jawed face that appeared a decade younger.  He had built a strong sense of confidence in Merry throughout her pregnancy.

A Shiver of LightEdit

Merry loses her confidence in Dr. Heelis's abilities when they spot a third baby so late in her pregnancy.