2 William Harvey(Physician)
The first to discover the entire process of human blood circulation, physician William Harvey was a Royal College of Physicians fellow. He also served as the personal physician of James I. He later worked at the Bartholomew’s Hospital but was replaced for being a staunch monarchist.
3 Andreas Vesalius(Founding Father of the Modern Human Anatomy)
Renaissance physician Andreas Vesalius is credited with illustrating the first anatomy textbook. Born into a family of physicians, he studied at the University of Paris medical school and often dissected corpses retrieved from cemeteries. He was the first to reject Galenic anatomy and to introduce human dissection in anatomy.
4 Nostradamus(Astrologer)
Nostradamus was a French physician, astrologer, and respected seer whose book Les Prophéties is viewed as a document that predicts future events. Since the publication of the book, Nostradamus has been praised for his accurate predictions of major world events. His life has been the subject of several films and hundreds of books.
5 François Rabelais(Writer)
François Rabelais was a French writer, Renaissance humanist, physician, monk, and Greek scholar. Regarded as one of the great writers by Western literary critics, Rabelais is also considered one of the creators of modern European writing. He is remembered for Gargantua and Pantagruel, a pentalogy of novels that are regarded as one of the earliest forms of the modern novel.
6 Heinrich Cornelius Agrippa(Physician)

Sixteenth-century German scholar Heinrich Cornelius Agrippa was known for his expertise in philosophy and the occult. He also taught at the universities of Pavia and Dôle. His De occulta philosophia suggested magic as a way to reach God. He was eventually branded a heretic and imprisoned.
7 Girolamo Fracastoro(Physician, Poet)
Girolamo Fracastoro was an Italian poet, physician, and scholar in astronomy, geography and mathematics. He is credited with authoring a theory, which is regarded as a precursor to germ theory; his theory was influential for almost three centuries. He is also credited with inventing terms, such as syphilis.
8 Gerolamo Cardano(Polymath)

Italian polymath Gerolamo Cardano is best known for his iconic work Ars magna, or The Great Art, which contributed immensely to the field of algebra. Throughout his illustrious life, he had been a physician, a math lecturer, and an astrologer. He was also the first to describe typhus fever clinically.
9 William Gilbert(Physician)
William Gilbert was a 16th-century English physician, physicist, astronomer, and natural philosopher. He earned his MD from Cambridge and practiced medicine in London. He was a much-respected figure and was made the president of the Royal College of Physicians. He served as Queen Elizabeth I's and King James VI and I’s personal physician.
10 Ambroise Paré(Surgeon)

11 Johann Weyer(physician, writer)

Though he studied medicine and was a practicing physician, Johann Weyer is better known as a demonologist. He also offered one of the first scientific explanations of mental illnesses, stating that most witches were actually women who were suffering from mental health issues. He also stongly opposed Malleus Maleficarum.
12 Conrad Gessner(Physician)

Born to a poor fur dealer, Conrad Gessner was sent to study under an uncle who dealt in medicinal herbs. He then studied theology but later grew up to become a Renaissance polymath, excelling in subjects such as natural history and medicine. His Bibliotheca universalis remains a major work in bibliography.
13 Robert Fludd(Physician)

Best remembered for his study of occult philosophy, Robert Fludd, the son of English diplomat Sir Thomas Fludd, was also a physician. However, he was criticized for being a medical professional who believed in magic and defended Rosicrucianism. His other interests included cosmology, astrology, and Freemasonry.
14 Pietro Bembo(Former Renaissance cardinal who wrote one of the earliest Italian grammars and assisted in establishing the Italian literary language)

Pietro Bembo was an Italian scholar, poet, and literary theorist. He was also a cardinal of the Roman Catholic Church and a member of the Knights Hospitaller, a Catholic military order. He played a key role in the development of the Tuscan dialect as a literary language. As a priest, he promoted the Christian perfection of Renaissance humanism.
15 Gabriele Falloppio(Physician)

Sixteenth-century Italian anatomist Gabriele Falloppio was also a Catholic priest. Of his many discoveries, the most well-known are the tubes which link the ovaries to the uterus, named fallopian tubes. He was also the first to offer written description of a condom as a protective measure against syphilis.
16 Li Shizhen(Chinese scholar)

17 Charles Borromeo(Cardinal)

18 Leonhart Fuchs(Physician)

Sixteenth-century German physician and botanist Leonhart Fuchs is best known for his extensive research on the medicinal properties of plants and herbs. His work Historia Stirpium is an invaluable treatise on the history of plants. The plant Fuchsia found in the Caribbean was named in his honor.
19 Gemma Frisius(Physician)

Gemma Frisius introduced the triangulation method for map-making, that is still an integral part of surveys these days. He also created detailed globes and mathematical instruments and was a co-founder of the Netherlandish school of cartography. He also released the first published drawing of a pinhole camera obscura.
20 Santorio Santorio(Physiologist)

21 Hieronymus Fabricius ab Aquapendente(Surgeon)

22 Gaspard Bauhin(Botanist)

Born to a French physician in Switzerland, Gaspard Bauhin was a qualified physician himself and later made some of the most significant contributions to the classification of plants. Known for his Pinax theatri botanica, he also provided one of the initial descriptions of the ileocecal (or Bauhin’s) valve.
23 Georg Joachim Rheticus(Mathematician)

Having lost his doctor father to an execution after he was charged with stealing from his patients, Georg Joachim Rheticus ditched his paternal surname. The Austrian-born mathematician is best remembered for his tables of trigonometric functions. He was also one of the first to propagate the Copernican heliocentric theory.
24 John Caius(Physician)

25 Thomas Erastus(Physician)

While he initially studied theology, the 1544 plague drove him to study medicine, too. He is said to have been a pioneer of Erastianism, a union between the church and the state. In his writings, he also often opposed philosopher Paracelsus and his views.
26 Realdo Colombo(Professor)

27 Paolo Giovio(Physician)

Paolo Giovio was an Italian historian, physician, biographer, and prelate. He is best remembered for his work which chronicles the Great Wars of Italy. Giovio is also remembered for authoring Historiarum sui temporis libri XLV, an acclaimed work of contemporary history.
28 Andrea Cesalpino(Physician)

29 Aloysius Lilius(Astronomer)

Aloysius Lilius, also known as Luigi Lilio, is best remembered as the main author of the Gregorian Calendar. Well-versed in medicine and astronomy, Lilius hailed from Calabria, Italy, though not much is known about his life. His calendar was presented to Pope Gregory XIII by his brother Antonio.
30 Jean Fernel(Physician)

31 Andreas Libavius(Physician)

Andreas Libavius was a German professor and physician. He was a renaissance man known for practicing alchemy. He wrote a book called Alchemia, one of the first chemistry textbooks ever written. He taught history and poetry at the University of Jena and later became a physician at the Gymnasium in Rothenburg. He also founded the Gymnasium at Coburg.
32 Prospero Alpini(Scientist)

33 Hieronymus Bock(Botanist)

Hieronymus Bock was a Lutheran minister, credited with helping the philological scholasticism of medieval botany to evolve into modern science by categorizing plants according to their structural similarities. His major work, New Kreuterbuch, not only includes detailed description, but also careful illustrations of around 700 plants. For a time he also served as the physician to the prince of Zweibrücken.
34 Girolamo Mercuriale(Philologist)

35 Jacques Dubois(Anatomist)

36 Jacopo Berengario da Carpi(Physician)

37 Alessandro Achillini(Philosopher)

38 Joachim Vadianus(Humanist)

39 Matthias de L'Obel(Physician)

40 Théophraste Renaudot(Physician)

41 Andrew Boorde(Physician)

42 Giorgio Biandrata(Physician)

43 Guillaume de Baillou(Physician)

44 Volcher Coiter(Physician)

Volcher Coiter was a Dutch anatomist who first described cerebrospinal meningitis. Volcher Coiter is also remembered for his work during the French Wars of Religion where he served as field surgeon to John Casimir, Count Palatine of Simmern.
45 Peter Chamberlen the elder(Surgeon)

46 Gaspare Aselli(Physician)

47 Siôn Dafydd Rhys(Welsh grammarian)
