An endocrinologist is a specialist who is trained in the field of Internal Medicine and specializes in the study and the treatment of hormonal imbalances or disorders in the body. Endocrinologists study the pancreas, which is a major part of the endocrinal system and also study insulin-related problems. Apart from diagnosing hormonal complications, endocrinologists are responsible in charting the recovery of their patients and also providing respite in terms of restoring the hormonal balance in the body. Endocrinologists specifically deal with hormonal problems related to diabetes, thyroid, infertility, early puberty, specific endocrinal cancers, menopause, growth-related issues, osteoporosis, over/under-production of hormones and various other metabolic diseases. As the endocrinology department is one of the most difficult medical departments to get into, it requires multidisciplinary training in a wide array of subjects and also intensive, selective studying for a period of 7-10 years after medical school. In modern times, there is a proliferation of renowned endocrinologists all over the world because of the rise in hormonal problems in people, owing to factors like lifestyle, eating habits and genetics. Here we bring you a compilation of biographies of some of the most famous endocrinologists. To learn more fascinating facts and details about them, read their biographies that include trivia, interesting facts, timeline and life history.

This ranking is based on an algorithm that combines various factors, including the votes of our users and search trends on the internet.

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 1 Hans Selye

Hans Selye
Famous As: Endocrinologist
Birthdate: January 26, 1907
Sun Sign: Aquarius
Birthplace: Vienna, Austria
Died: October 16, 1982
Born to a doctor father, Hungarian-Canadian endocrinologist Hans Selye grew up to be nominated for the Nobel Prize in Physiology or Medicine 17 times but never won it. He is remembered for his ground-breaking work the medical impact of stress on the human body, also known as stress response.

 2 Harry Benjamin

Harry Benjamin
Famous As: Endocrinologist and sexologist
Birthdate: January 12, 1885
Sun Sign: Capricorn
Birthplace: Berlin, Germany
Died: August 24, 1986

German endocrinologist and sexologist Harry Benjamin initially moved to the U.S. to meet a doctor who claimed to have cured tuberculosis, but got stuck there due to World War I. He is remembered for his extensive work with transgenders and guided a patient to undergo one of the first gender-reassignment operations.

 3 Senait Fisseha

Senait Fisseha
Famous As: Endocrinologist
Birthdate: 1971 AD
Birthplace: Addis Ababa, Ethiopia
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 4 Bernardo Houssay

Bernardo Houssay
Famous As: Physiologist
Birthdate: April 10, 1887
Sun Sign: Aries
Birthplace: Buenos Aires, Argentina
Died: September 21, 1971

Bernardo Houssay was an Argentine physiologist best remembered for winning the 1947 Nobel Prize for Physiology or Medicine and becoming the first Argentine Nobel Prize winner in the field of sciences. Bernardo Houssay won the award for discovering the role of the pituitary hormones in regulating the amount of glucose in animals. 

 5 Andrew Schally

Andrew Schally
Famous As: Endocrinologist
Birthdate: November 30, 1926
Sun Sign: Sagittarius
Birthplace: Vilnius, Lithuania

Andrew Schally escaped Poland and went to Romania and the UK with his family following the Nazi invasion, eventually settling in Canada. He grew up to be a renowned endocrinologist and won the Nobel Prize for his research on the hypothalamus and how it controls the hormones in the body.

 6 Kitty Ponse

Kitty Ponse
Famous As: She was a professor at the University of Geneva and received the Swiss Otto Naegeli Prize in 1961
Birthdate: September 5, 1897
Sun Sign: Virgo
Birthplace: Sumatra, Indonesia
Died: February 10, 1982

Otto Naegeli Prize-winning Swiss zoologist and endocrinologist Kitty Ponse was born to Dutch parents in the then-Dutch colony, Sumatra, present-day Indonesia. She moved to Switzerland at 8, and grew up to be a pioneering researcher of sex determination and differentiation in amphibians. She also co-founded the journal Acta Endocrinologica.

 7 Gregorio Marañón

Gregorio Marañón
Famous As: Physician, Philosopher
Birthdate: May 19, 1887
Sun Sign: Taurus
Birthplace: Madrid, Spain
Died: March 27, 1960
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 8 Wylie Vale

Wylie Vale
Famous As: Endocrinologist
Birthdate: July 3, 1941
Sun Sign: Cancer
Birthplace: Houston, Texas, United States
Died: January 3, 2012
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 9 George W. Thorn

George W. Thorn
Famous As: Physician
Birthdate: January 15, 1906
Sun Sign: Capricorn
Birthplace: Buffalo, New York, United States
Died: June 6, 2004

 10 Carl Richard Moore

Carl Richard Moore
Famous As: Endocrinologist
Birthdate: December 5, 1892
Sun Sign: Sagittarius
Birthplace: Brighton, Missouri, United States
Died: October 16, 1955

 11 Rebecca Lee Dorsey

Rebecca Lee Dorsey
Famous As: Endocrinologist
Birthdate: August 30, 1859
Sun Sign: Virgo
Birthplace: Los Angeles, United States
Died: March 29, 1959