Alfred Blalock (April 5, 1899 - September 15, 1964) was an American surgeon most noted for his work on the medical condition of shock as well as tetralogy of Fallot - commonly known as blue baby syndrome.

The American Academy of Arts and Sciences (AAA&S) is one of the oldest learned societies in the United States.

The American Heart Association (AHA) is a nonprofit organization in the United States that funds cardiovascular medical research, educates consumers on healthy living and fosters appropriate cardiac care in an effort to reduce disability and deaths caused by cardiovascular disease and stroke.

Bacteriology is the branch and specialty of biology that studies the morphology, ecology, genetics and biochemistry of bacteria as well as many other aspects related to them.

Cardiology is the branch of medicine that deals with the study, diagnosis, and treatment of disorders relating to the heart and the blood vessels.

Harvard Medical School is a prestigious graduate medical school located in Boston, Massachusetts.

Harvard University is a renowned private research university located in Cambridge, Massachusetts, United States.

Histology is the study of the microscopic anatomy of cells and tissues of plants and animals.