After completing a medical internship at the Massachusetts General Hospital, he began practice in Boston, and thereafter devoted himself to the study and care of diseases of infants and children.

is an English-language peer-reviewed medical journal published by the Massachusetts Medical Society. It describes itself as the oldest continuously published medical journal in the world.

He was in his sixty-third year. Dr. Barr received his degree from Harvard Medical School in 1926. He was chief of orthopedic surgery at Massachusetts General Hospital and, formerly, chief of ...