Career
He was also president of the American Physiological Society. Comroe served on the scientific advisory board of the Tobacco Industry Research Committee. He also served on the Medical Board of the National Academy of Sciences.
The New York Times called him "award-winning expert on the functions and physiology of the human heart and lungs".
Comroe, Junior. was born in York, Pennsylvania. He graduated first in his class from the University of Pennsylvania in 1931.
He again graduated first in his class from the UPenn Medical School in 1934 with an Doctor of Medicine degree.