Donlin Long

Donlin Martin Long Jr. (April 14, 1934 – September 19, 2023) was an American neurosurgeon. He was the founding chair of the Department of Neurosurgery at Johns Hopkins.

Early life and education
Long was born in Rolla, Missouri in 1934. His father, Donlin M. Long Sr., was a chemist for the state health department and his mother, Davine Elisabeth Johnson, was a schoolteacher.

Long received both his undergraduate and medical degrees at the University of Missouri. In 1964, he received a doctorate in neuroanatomy from the University of Minnesota. He researched the biological structure of the brain’s blood vessels.