Arthur D. Hirschfelder

Arthur Douglass Hirschfelder (September 29, 1879 – October 11, 1942) was a cardiologist who interned under William Osler at the Johns Hopkins University School of Medicine in Baltimore, Maryland where he later became the head of a physiological laboratory in the Department of Medicine. He is best known for his research on local anesthesia and for treating heart illnesses. Hirschfelder is also widely known as being the first full-time cardiologist at Johns Hopkins University.

Arthur D. Hirschfelder

Arthur Douglass Hirschfelder (September 29, 1879 – October 11, 1942) was a cardiologist who interned under William Osler at the Johns Hopkins University School of Medicine in Baltimore, Maryland where he later became the head of a physiological laboratory in the Department of Medicine. He is best known for his research on local anesthesia and for treating heart illnesses. Hirschfelder is also widely known as being the first full-time cardiologist at Johns Hopkins University.