Imhotep was an Egyptian polymath who served under the Third Dynasty king Djoser as chancellor to the pharaoh and high priest of the sun god Ra (or Re) at Heliopolis. He is considered by some to be the earliest known architect and engineer a...

Hippocrates of Kos was an ancient Greek physician. He has been called "the father of medicine", and is commonly regarded as one of the most outstanding figures in medicine of all time. He was a physician trained at the Dream temple of Kos,...

Aulus Cornelius Celsus was a Roman encyclopaedist, known for his extant medical work, De Medicina, which is believed to be the only surviving section of a much larger encyclopedia. The De Medicina is a primary source on diet, pharmacy, surg...

Aelius Galenus or Claudius Galenus, better known as Galen of Pergamum (modern-day Bergama, Turkey), was a prominent Roman physician and philosopher of Greek origin, and probably the most accomplished medical researcher of the Roman period....

Avicenna is the Latinate form of Ibn-Sina. He was a Persian polymath regarded both in Europe and the Middle East as one of the most significant thinkers and writers of the Islamic Golden Age. He is known to have written around 450 works acr...

Averroës is the Latinized form of Ibn Rushd, a mediæval Andalusian Muslim polymath. He wrote on logic, Aristotelian and Islamic philosophy, theology, the Maliki school of Islamic jurisprudence, psychology, political and Andalusian classical...

Moses Maimonides is regarded by many as the greatest Jewish philosopher ever. As a doctor, rabbi, religious scholar, mathematician, astronomer, and commentator on the art of medicine, his influence has spanned centuries and cultures. He was...

Marsilius of Padua was an Italian scholar, trained in medicine who practiced a variety of professions. He was also an important 14th century political figure. His political treatise Defensor pacis is seen by some authorities as the most rev...

Paracelsus was an alchemist, physician, astrologer, and general occultist. Paracelsus rejected Gnostic traditions, but kept much of the Hermetic, neoplatonic, and Pythagorean philosophies from Ficino and Pico della Mirandola; however, Herme...

Nostradamus was a French apothecary and reputed seer who published collections of prophecies that have since become famous worldwide. He is best known for his book Les Propheties, the first edition of which appeared in 1555. Since the publi...

Guillaume Rondelet was professor of medicine at the University of Montpellier in southern France and Chancellor of the Medical Faculty from 1560. Famed as a teacher, Rondelet was also the author of a book Libri de Piscibus Marinis on the na...

Hadrianus Junius, also known as Adriaen de Jonghe, was a Dutch physician, classical scholar, translator, lexicographer, antiquarian, historiographer, emblematist, school rector, and Latin poet. Junius was dubbed a 'second Erasmus' by some o...

Andreas Vesalius was an anatomist, physician, and author of one of the most influential books on human anatomy, De humani corporis fabrica (On the Fabric of the Human Body). Vesalius is often referred to as the founder of modern human anato...

Carolus Clusius, or Charles de l'Écluse, was a Flemish doctor and pioneering botanist, perhaps the most influential of all 16th century scientific horticulturists. In 1573 he was appointed prefect of the imperial medical garden in Vienna by...

Jan Baptist van Helmont was an early modern period Flemish chemist, physiologist, and physician. He worked during the years just after Paracelsus and iatrochemistry, and is sometimes considered to be "the founder of pneumatic chemistry". Va...