1899 - Born in Culloden, Georgia on the 5th of April.
1913 - Entered Georgia Military Academy, a preparatory school for the University of Georgia.
1918 - Graduated from the University of Georgia with an A.B. at the age of 19.
1922 - Blalock earned his medical degree at Johns Hopkins.
1925 - With Harrison at Vanderbilt University in Nashville to serve as first chief resident in surgery.
1927 - Published his first paper on shock
1938 - He tried to produce pulmonary hypertension in experiments joining the left subclavian artery to the left pulmonary artery.
1941 - Offered Chief of Surgery at Johns Hopkins Hospital.
Collaborator with Vivien Thomas.
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