Haldan Keffer Hartline

About Haldan Keffer Hartline

Who is it?: Physiologist
Birth Day: December 22, 1903
Birth Place: Bloomsburg, Pennsylvania, US, United States
Alma mater: Lafayette College Johns Hopkins School of Medicine
Known for: Visual perception
Awards: ForMemRS (1960) Nobel Prize in Physiology or Medicine (1967)
Fields: Physiology
Institutions: University of Pennsylvania Cornell University Rockefeller University Johns Hopkins University
Doctoral advisor: August Herman Pfund

Haldan Keffer Hartline

Haldan Keffer Hartline was born on December 22, 1903 in Bloomsburg, Pennsylvania, US, United States, is Physiologist. Haldan Keffer Hartline was an American physiologist who was awarded the Nobel Prize in Physiology or Medicine in 1967 for his work on analyzing the neurophysiological mechanism of vision. He shared the coveted prize with George Wald and Ragnar Granit. Hartline spent decades studying the optic nerves of frogs and horseshoe crabs. He became the first scientist to isolate and record the activity of a single optic nerve fibre. He later showed that different fibres in the optic nerves respond to light in different ways. Hartline’s inclination towards physiology or medicine started early. His parents were professors at the State Normal School (now Bloomsburg State College). His father who was a Professor in Biology inspired Hartline to take up Natural Sciences. Since the beginning of his career, Hartline dedicated his time to research on cellular-level electrical activity within the eye. Other than scientific research, he also held several academic positions in his life. He was a Professor of Biophysics at the John Hopkins University and later Professor of Neurophysiology at the Rockfeller Institute.
Haldan Keffer Hartline is a member of Scientists

Does Haldan Keffer Hartline Dead or Alive?

As per our current Database, Haldan Keffer Hartline has been died on March 17, 1983(1983-03-17) (aged 79)\nFallston, Maryland, US.

🎂 Haldan Keffer Hartline - Age, Bio, Faces and Birthday

When Haldan Keffer Hartline die, Haldan Keffer Hartline was 79 years old.

Popular As Haldan Keffer Hartline
Occupation Scientists
Age 79 years old
Zodiac Sign Capricorn
Born December 22, 1903 (Bloomsburg, Pennsylvania, US, United States)
Birthday December 22
Town/City Bloomsburg, Pennsylvania, US, United States
Nationality United States

🌙 Zodiac

Haldan Keffer Hartline’s zodiac sign is Capricorn. According to astrologers, Capricorn is a sign that represents time and responsibility, and its representatives are traditional and often very serious by nature. These individuals possess an inner state of independence that enables significant progress both in their personal and professional lives. They are masters of self-control and have the ability to lead the way, make solid and realistic plans, and manage many people who work for them at any time. They will learn from their mistakes and get to the top based solely on their experience and expertise.

🌙 Chinese Zodiac Signs

Haldan Keffer Hartline was born in the Year of the Rabbit. Those born under the Chinese Zodiac sign of the Rabbit enjoy being surrounded by family and friends. They’re popular, compassionate, sincere, and they like to avoid conflict and are sometimes seen as pushovers. Rabbits enjoy home and entertaining at home. Compatible with Goat or Pig.

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Awards and nominations:

Hartline was elected a Foreign Member of the Royal Society (ForMemRS) in 1966. He was awarded the Nobel Prize in Physiology or Medicine in 1967.



Hartline received his undergraduate education from Lafayette College in Easton, Pennsylvania, graduating in 1923. He began his study of retinal electrophysiology as a National Research Council Fellow at Johns Hopkins University, Baltimore, receiving his Doctor of Medicine (MD) degree in 1927.


After attending the universities of Leipzig and Munich as an Eldridge Johnson traveling research scholar from the University of Pennsylvania, he returned to the US to take a position in the Eldridge Reeves Johnson Foundation for Medical Physics at Penn, which was under the directorship of Detlev W. Bronk at that time. In 1940–1941, he was Associate Professor of Physiology at Cornell Medical College in New York City, but returned to Penn and stayed until 1949. Then he became professor of biophysics and chairman of the department at Johns Hopkins in 1949. One of Hartline's graduate students at Johns Hopkins, Paul Greengard, who also won the Nobel Prize. Hartline joined the staff of Rockefeller University, New York City, in 1953 as professor of neurophysiology.


Hartline was elected a Foreign Member of the Royal Society (ForMemRS) in 1966. He was awarded the Nobel Prize in Physiology or Medicine in 1967.

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