Galen was a Greek physician, philosopher, and surgeon in the Roman Empire. Regarded as one of the most proficient medical researchers in ancient history, Galen influenced the growth of several scientific disciplines, such as neurology, pharmacology, pathology, physiology, and anatomy. Thanks to the translation of his works into Arabic, Galen's approach to medicine remains influential in the Islamic world.
Best known as the father of modern epidemiology, British doctor John Snow revolutionized medical science with his study of London’s Broad Street cholera outbreak of 1854. His research contributed to the development of London’s sewage and water systems and led to the reduction in cholera cases.
![James Barry James Barry](http://www.thefamouspeople.com/profiles/thumbs/james-barry-1.jpg)
Military surgeon James Miranda Steuart Barry is most noted for making medical reforms and performing one of the first known successful Caesarean sections in Africa. Although during adulthood Barry lived as a man, at birth Barry was named Margaret Ann Bulkley and was known as a girl-child. Barry's birth sex became public after a post-mortem examination.
Born into a middle-class African-American family, Charles R. Drew initially excelled in football and track and field, and ended up earning athletic scholarships to fund his studies. He grew up to be a renowned surgeon and revolutionized the storage of blood plasma in blood banks.
Scottish surgeon Robert Liston worked in an era when anesthesia wasn’t invented. He could complete amputations within minutes, thus saving the lives of many when the speed of the surgery made the difference between life and death. Later, he became the first European surgeon to operate under anesthesia.
Vivien Theodore Thomas was laboratory supervisor who never went to college; yet he rose above poverty and racism to develop a procedure for treating cyanotic heart disease. Initially billed as janitor, he began his career as assistant to surgeon Alfred Blalock first at Nashville University and later at Johns Hopkins, and in time discovered the life-saving technique, eventually becoming a teacher of operative techniques.
![J. Marion Sims J. Marion Sims](http://www.thefamouspeople.com/profiles/thumbs/j-marion-sims-1.jpg)
Known as The Father of Modern Gynaecology, J. Marion Sims is remembered for developing a surgical method to deal with vesicovaginal fistula, a childbirth-related complication. However, since his experiments were conducted on Black slave-women, without anesthesia, they were later deemed unethical. He had also headed the American Gynecological Society.
British surgeon Joseph Lister was a pioneer of antiseptic medicine usage and made a huge contribution to the development of preventive medicine for bacterial infection. His achievements have been honored by many, such as the makers of Listerine antiseptic and mouthwash, who named their product after him.
René Gerónimo Favaloro was an Argentine educator and cardiac surgeon. He is best remembered for his work on coronary artery bypass surgery. Favaloro is credited with establishing the Favaloro Foundation in an attempt to emulate Cleveland Clinic. He is also credited with founding the Basic Investigation Laboratory, which was financed with his own money.
![Younan Nowzaradan Younan Nowzaradan](http://www.thefamouspeople.com/profiles/thumbs/younan-nowzaradan-119845-1.jpg)
Mary Edwards Walker, or Dr. Mary Walker, was the only female surgeon who served injured soldiers during the American Civil War. A dress reform supporter, she believed women should value comfort more than tradition when it came to clothes. She was also the first and only Medal of Honor winner.
![Hasnat Khan Hasnat Khan](http://www.thefamouspeople.com/profiles/thumbs/hasnat-khan.jpg)
Better known as former lover of Princess Diana, British-Pakistani cardiac surgeon Hasnat Khan was once described by the late princess as “Mr Wonderful.” He had first met Diana at the Royal Brompton Hospital, where the princess had gone to visit a friend. Hasnat is a distant relative of Imran Khan.
Magdi Yacoub is a retired professor who worked at Imperial College London. He is best known for his work in repairing heart valves, a procedure which came to be known as the Ross-Yacoub procedure. In 1983, he performed the United Kingdom's first combined lung and heart transplant. Also a humanitarian, Yacoub co-founded the Magdi Yacoub Global Heart Foundation in 2008.
![William Stewart Halsted William Stewart Halsted](http://www.thefamouspeople.com/profiles/thumbs/william-stewart-halsted-1.jpg)
William Stewart Halsted was the man behind the first American surgical school at the Johns Hopkins University. The master surgeon made a number of contributions to medical science, including the introduction of mastectomy and aseptic surgical procedures. He often injected cocaine into his body to develop anesthesia.
![Wilder Penfield Wilder Penfield](http://www.thefamouspeople.com/profiles/thumbs/wilder-penfield-5204-1.jpg)
Neuroscientist Wilder Penfield redefined medical science with his innovative way of treating epilepsy patients through surgery. He would note down his patients’ responses when they would be conscious under local anesthesia. He also founded the Montreal Neurological Institute, but was unable to cure his sister’s brain cancer.
![C. Everett Koop C. Everett Koop](http://www.thefamouspeople.com/profiles/thumbs/c-everett-koop-53750-1.jpg)
C. Everett Koop was a pediatric surgeon and public health administrator who served as the 13th Surgeon General of the United States under President Ronald Reagan. Previously, he had been a vice admiral in the Public Health Service Commissioned Corps. He was well-known for his support of the rights of children with disabilities and his work with AIDS patients.
Daniel Hale Williams was a general surgeon known for performing the first documented, successful pericardium surgery in the US in 1893. Born to interracial parents, he faced numerous struggles in his journey to become a physician. He later founded the first non-segregated hospital in the United States, Chicago's Provident Hospital. He also founded a nursing school for African Americans.
![Joycelyn Elders Joycelyn Elders](http://www.thefamouspeople.com/profiles/thumbs/joycelyn-elders-1.jpg)
The second female U.S. surgeon general, Joycelyn Elders is a renowned pediatrician and one of the first Black women to reach the pinnacle of the medical field in the U.S. She has been dragged into multiple controversies, one of them being a result of her support for sex education and masturbation.
![Leonid Rogozov Leonid Rogozov](http://www.thefamouspeople.com/profiles/thumbs/leonid-rogozov-22760-1.jpg)
Leonid Rogozov was a Soviet general practitioner remembered for performing his own appendectomy as he developed appendicitis while stationed at Novolazarevskaya Station; he was part of the sixth Soviet Antarctic Expedition in 1961 when he developed appendicitis. The self-surgery, which was documented by Rogozov’s colleagues, resulted in a change of policy and health checks were made mandatory during such expeditions.
Denton Cooley was a heart and cardiothoracic surgeon. He is best known for performing the first implantation of a total artificial heart. He did his surgical training at the Johns Hopkins School of Medicine and later worked at Baylor College of Medicine. He founded The Texas Heart Institute and was a consultant at Texas Children's Hospital.
![John McCrae John McCrae](http://www.thefamouspeople.com/profiles/thumbs/john-mccrae.jpg)
Best known for his iconic war poems such as In Flanders Fields, Canadian poet John McCrae was also an army physician. He was the first Canadian to serve as a consulting surgeon for the British Army and had earned the rank of Lieutenant Colonel in the Canadian Army.
Canadian thoracic surgeon Norman Bethune served as an army physician for the Canadian Army during World War I. He revolutionized medical science by introducing the concept of mobile blood-transfusion. A Communist Party of Canada member, he later served the Chinese army against Japan, becoming a revered name in China.
Al-Zahrawi was an Arab Andalusian chemist, surgeon, and physician. Dubbed the father of modern surgery, Al-Zahrawi is widely regarded as the greatest surgeon of the Middle Ages. Al-Zahrawi was the first surgeon to use catgut for stitches and his pioneering contributions had an enormous effect in the West and East. Some of his discoveries are part of modern medical sciences.
![Patrick Soon-Shiong Patrick Soon-Shiong](http://www.thefamouspeople.com/profiles/thumbs/patrick-soon-shiong-119673-1.jpg)
Cardiac surgeon Michael DeBakey pioneered many treatments of cardiovascular ailments and also invented instruments such as the roller pump, later used for open-heart surgery procedures. He was also instrumental in developing MASH units and was awarded several prestigious awards, such as the Presidential Medal of Freedom and the Congressional Gold Medal.
The first female doctor and surgeon of Britain, Elizabeth Garrett Anderson was initially denied admission to medical schools because of her gender and had thus started studying privately. Soon after joining the Marylebone Dispensary as an attendant, she contributed to the formation of the New Hospital for Women.
Born to Turkish immigrants in the U.S., Mehmet Oz, better known as Dr. Oz, is a renowned cardiothoracic surgeon and professor. He is known for his multiple appearances on The Oprah Winfrey Show and for his YOU series of self-help books. He has also hosted The Dr. Oz Show.
![William Chester Minor William Chester Minor](http://www.thefamouspeople.com/profiles/thumbs/william-chester-minor.jpg)
William Chester Minor was an army surgeon and lexicographical researcher. He studied at Yale Medical School and earned a medical degree with a specialization in comparative anatomy. He then became an army surgeon. He was later committed to a London psychiatric hospital for many years as he suffered from paranoid delusions. He became a lexicographical researcher while incarcerated.
![Werner Forssmann Werner Forssmann](http://www.thefamouspeople.com/profiles/thumbs/werner-forssmann-23959-1.jpg)
German physician Werner Forssmann is best-known for developing a method that allowed cardiac catheterization. This led him to jointly receive the 1956 Nobel Prize in Medicine. Forssmann started clinical application of cardiac catheterization in 1929, when he inserted a catheter into a vein of his forearm and safely passed it into his heart and took an X-ray picture of it.
Born to Australian-born Chinese parents in Shanghai, cardiac surgeon Victor Chang grew up in Hong Kong, Myanmar, and Sichuan, in the aftermath of the Second Sino-Japanese War. His mother’s death from breast cancer made him study medicine. The pioneer of heart transplantation, Chang was killed in an extortion attempt.
![James Andrews James Andrews](http://www.thefamouspeople.com/profiles/thumbs/james-andrews.jpg)
One of the best-known American orthopedic sports surgeons, James Andrews has been associated with multiple sports teams, such as Alabama Crimson Tide and the Tampa Bay Rays. Among his clients are sports stars Michael Jordan and Tom Brady. He has also headed various organizations, such as the American Sports Medicine Institute.
![Walter Jackson Freeman II Walter Jackson Freeman II](http://www.thefamouspeople.com/profiles/thumbs/walter-jackson-freeman-ii-53242-1.jpg)
American neurologist Walter Jackson Freeman II is remembered for co-developing the technique of prefrontal lobotomy as a treatment for mental ailments, along with neurosurgeon James W. Watts. Though many of his patients died due to the treatment, he is still considered a pioneer in the field of neurosurgery.
![Devi Shetty Devi Shetty](http://www.thefamouspeople.com/profiles/thumbs/devi-shetty.jpg)
Devi Shetty is an Indian cardiac surgeon and entrepreneur. He is best known as the founder of Narayana Health where he also serves as the chairman. Shetty, who has performed over 16,000 heart operations, was honored with the Padma Bhushan, India's third-highest civilian award in 2012. His life and career inspired an episode of Netflix's series The Surgeon's Cut.
![Vivek Murthy Vivek Murthy](http://www.thefamouspeople.com/profiles/thumbs/vivek-murthy-119716-1.jpg)
![John Hunter John Hunter](http://www.thefamouspeople.com/profiles/thumbs/john-hunter-1.jpg)
John Hunter was a Scottish surgeon remembered for his efforts to study the human anatomy through investigation and experimentation. An early advocate of scientific method in medicine, Hunter was considered one of the most prominent surgeons of his generation. He is also remembered for paying for the body of Charles Byrne and displaying the skeletal remains in his Hunterian Museum.
![Ambroise Paré Ambroise Paré](http://www.thefamouspeople.com/profiles/thumbs/ambroise-par-1.jpg)
Ambroise Paré was a French surgeon remembered for his service as barber surgeon for Henry II, Henry III, Charles IX, and Francis II. Regarded as one of the fathers of surgery, Paré is also considered a pioneer in surgical techniques. He specialized in battlefield medicine and in the treatment of wounds. Ambroise Paré is credited with inventing several surgical instruments.
Remembered as a medical pioneer and a much-loved mentor, Alfred Blalock is especially noted for his work on traumatic and hemorrhagic shock, which saved thousands of lives during WWII. Working with Vivien Thomas and Helen Taussig, he also developed the Blalock-Thomas-Taussig shunt. Designed to treat children with Blue Baby Syndrome, it ushered a revolution in the field of cardiac surgery.
![Ernst-Günther Schenck Ernst-Günther Schenck](http://www.thefamouspeople.com/profiles/thumbs/ernst-gnther-schenck.jpg)
While serving at the Nazi concentration camps during World War II, doctor Ernst-Günther Schenck created a protein sausage for Nazi troops, which was tested on the camp inmates, leading to many deaths. His experiences were later penned by him in his memoir, which inspired films such as Downfall.
![Caldwell Esselstyn Caldwell Esselstyn](http://www.thefamouspeople.com/profiles/thumbs/caldwell-esselstyn-106627-1.jpg)
![Jan Adams Jan Adams](http://www.thefamouspeople.com/profiles/thumbs/jan-adams.jpg)
Cosmetic surgeon and TV personality Jan Adams made headlines after he conducted a liposuction, a tummy tuck, and a breast-reduction surgery on rapper Kanye West’s mother and she mysteriously died the following day. He has also penned books and appeared on shows such as Extra and The Other Half.
![James T. Goodrich James T. Goodrich](http://www.thefamouspeople.com/profiles/thumbs/james-t-goodrich-65348-1.jpg)
Pediatric neurosurgeon James T. Goodrich was an expert in cranial reconstructive surgeries and also conducted multiple successful operations on separating conjoined twins. The Columbia University alumnus also had also served the US Marines during the Vietnam War. He was also fond of travel and surfing. He succumbed to COVID-19 at age 73.
![Sid Watkins Sid Watkins](http://www.thefamouspeople.com/profiles/thumbs/sid-watkins-1.jpg)
Eric Sidney Watkins or Professor Sid, as he was known within the Formula One fraternity, wanted to become a doctor since his childhood. An experienced neurosurgeon and academician, he later became Formula One's trackside consultant and safety adviser. He concentrated on creating sophisticated medical back-up necessary for providing timely treatment, thus saving many lives through prompt actions.
![Antonia Novello Antonia Novello](http://www.thefamouspeople.com/profiles/thumbs/antonia-novello-53648-1.jpg)
Antonia Novello became the first female and the first person of Hispanic origin to become the U.S. surgeon general. Initially a pediatric nephrologist, she later switched to Public Health Service, after realizing she was too emotional to be a pediatrician. The Puerto Rican physician was also a UNICEF representative.
![Zbigniew Religa Zbigniew Religa](http://www.thefamouspeople.com/profiles/thumbs/zbigniew-religa-1.jpg)
Internationally renowned plastic surgeon Michael Salzhauer, better known as Dr. Miami, has soared to fame with his Snapchat stories that highlight his surgeries. He has also penned a book and released a single. He is quite a reality star, too, and has also inspired a series featuring himself.
![Harold Gillies Harold Gillies](http://www.thefamouspeople.com/profiles/thumbs/harold-gillies.jpg)
Harold Gillies was a New Zealand otolaryngologist who is considered the father of modern plastic surgery. He is also credited with pioneering sex reassignment surgery; he performed one of the earliest sex reassignment surgeries on Michael Dillon in 1946. Harold Gillies was also an amateur golfer and played in the annual Amateur Championship from 1906 to 1931.
![Werner Haase Werner Haase](http://www.thefamouspeople.com/profiles/thumbs/werner-haase.jpg)
Originally professor of medicine, Werner Haase served as the deputy personal physician of German Chancellor Adolf Hitler from 1933 until the latter’s death in 1945, remaining with him in the Führerbunker to the very end. After Hitler committed suicide, he continued serving wounded soldiers and civilians until he was made a prisoner of war and died while serving his term.