Great Thinkers

Meet the great minds whose ideas have shaped the world — philosophers, scientists, artists, leaders, and revolutionaries whose thinking still matters today.

80 thinkers
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Medicine & Health
Florence Nightingale
1820-1910 · England, United Kingdom
Florence Nightingale (1820-1910) was a British nurse, statistician, and public health reformer. She was born into a wealthy English family and received an unusually thorough…
Health literacy Research skills Scientific thinking Numeracy and mathematical thinking +1
"The very first requirement in a hospital is that it should do the sick no harm."
Anthropology & Culture
Franz Boas
1858-1942 · Germany / United States
Franz Boas (1858-1942) was a German-American anthropologist, widely regarded as the founder of modern cultural anthropology. He was born in Minden, Westphalia, into a secular…
Research skills Critical thinking Cultural heritage and identity Scientific thinking +1
"The mind of man is the same the world over."
Medicine & Health
Françoise Barré-Sinoussi
1947-present · France
Françoise Barré-Sinoussi is a French virologist. She is one of the two scientists who discovered the Human Immunodeficiency Virus (HIV), the cause of AIDS. She…
Scientific thinking Research skills Critical thinking Ethical thinking +1
"We are not making science for science. We are making science for the benefit of humanity."
Technology & Engineering
Frederick Winslow Taylor
1856-1915 · United States
Frederick Winslow Taylor (1856-1915) was an American mechanical engineer whose systematic approach to industrial work created the school of thought known as scientific management and…
Scientific thinking Critical thinking Research skills Ethical thinking +1
"In the past the man has been first; in the future the system must be first."
Mathematics
Grace Hopper
1906-1992 · United States
Grace Brewster Murray Hopper (1906-1992) was an American mathematician, computer scientist, and United States Navy rear admiral whose work on programming languages and compilers helped…
Scientific thinking Critical thinking Creative expression Research skills +1
"It is easier to ask forgiveness than it is to get permission."
Biology
Gregor Mendel
1822-1884 · Moravia, Austrian Empire (now Czech Republic)
Gregor Mendel (1822-1884) was an Augustinian friar, botanist, and the founder of genetics. He was born Johann Mendel in what is now the Czech Republic,…
Scientific thinking Research skills Numeracy and mathematical thinking Critical thinking +1
"My scientific work has brought me a great deal of satisfaction, and I am convinced that it will be appreciated…"
Medicine & Health
Hippocrates
c. 460-370 BCE · Cos, Ancient Greece
Hippocrates (c. 460-370 BCE) was an ancient Greek physician, born on the island of Cos. He is one of the most important figures in the…
Health literacy Scientific thinking Ethical thinking Research skills +1
"Life is short, the art long, opportunity fleeting, experience treacherous, judgment difficult."
Mathematics
Hypatia of Alexandria
c.350-415 CE · Alexandria, Roman Egypt
Hypatia of Alexandria (c.350-415 CE) was a mathematician, astronomer, and philosopher who taught in the Egyptian city of Alexandria during the late Roman Empire. She…
Scientific thinking Critical thinking Cultural heritage and identity Research skills +1
"Reserve your right to think, for even to think wrongly is better than not to think at all."
History
Ibn Khaldun
1332-1406 · Tunisia, North Africa
Ibn Khaldun (1332-1406) was a North African Muslim scholar, historian, and thinker. He was born in Tunis, in what is now Tunisia, to a family…
Systems thinking Critical thinking Research skills Civic media and democracy +1
"History is information about human social organisation, which itself is identical with world civilisation. It deals with such conditions affecting…"
Philosophy
Ibn Rushd (Averroes)
1126-1198 · Al-Andalus (modern Spain)
Ibn Rushd (1126-1198), known in Latin Europe as Averroes, was a philosopher, jurist, physician, and astronomer from Al-Andalus, the Muslim-ruled region of the Iberian Peninsula.…
Critical thinking Ethical thinking Cultural heritage and identity Research skills +1
"Truth does not oppose truth but accords with it and bears witness to it."
Philosophy
Ibn Sina
980-1037 CE · Persia and Central Asia (present-day Uzbekistan and Iran)
Ibn Sina (980-1037 CE), known in the Western world as Avicenna, was a Persian Muslim philosopher and physician. He was born near Bukhara in what…
Scientific thinking Health literacy Critical thinking Research skills +1
"The knowledge of anything, since all things have causes, is not acquired or complete unless it is known by its…"
Medicine & Health
Ignaz Semmelweis
1818-1865 · Hungary / Austria
Ignaz Semmelweis (1818-1865) was a Hungarian physician working in Vienna. He was born in Buda, in what is now Budapest, and studied medicine at the…
Scientific thinking Health literacy Critical thinking Research skills +1
"God only knows the number of patients who have gone prematurely to their graves because of me."
Arts
Imhotep
c. 2650 BCE - c. 2600 BCE · Ancient Egypt (probably Memphis area)
Imhotep was an ancient Egyptian architect, doctor, and high official. He lived around 2,650 BCE, more than 4,500 years ago. This makes him one of…
Scientific thinking Creative expression Problem solving Cultural heritage and identity +1
"Imhotep, son of Ptah, the great chief of artists."
Mathematics
Isaac Newton
1643-1727 · England, United Kingdom
Isaac Newton (1643-1727) was an English mathematician, physicist, and natural philosopher. He was born prematurely in Woolsthorpe, Lincolnshire, and his father died before he was…
Scientific thinking Research skills Numeracy and mathematical thinking Critical thinking +1
"If I have seen further, it is by standing on the shoulders of giants."
Chemistry
Jabir ibn Hayyan
c.721-815 CE · Persia / Iraq (Abbasid Caliphate)
Jabir ibn Hayyan (c.721-815 CE), known in medieval Europe as Geber, was a scholar of the early Islamic world whose writings on alchemy, chemistry, pharmacy,…
Scientific thinking Research skills Critical thinking Cultural heritage and identity +1
"He who experiments not, attains nothing."
Economics
Joan Robinson
1903 - 1983 · United Kingdom
Joan Robinson was a British economist. She was one of the most important economists of the 20th century. Many people think she should have won…
Critical thinking Scientific thinking Research skills Ethical thinking +1
"The misery of being exploited by capitalists is nothing compared to the misery of not being exploited at all."
Arts
Johann Sebastian Bach
1685-1750 · Germany
Johann Sebastian Bach (1685-1750) was a German composer and organist usually regarded as the supreme master of Baroque music and one of the greatest composers…
Creative expression Scientific thinking Critical thinking Cultural heritage and identity +1
"I was obliged to work hard. Whoever is equally industrious will succeed equally well."
Philosophy
John Locke
1632-1704 · England
John Locke was an English philosopher. He is one of the most influential political thinkers in world history. He was born on 29 August 1632…
Critical thinking Ethical thinking Research skills Scientific thinking +1
"All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions."
Economics
Karl Marx
1818-1883 · Germany / England
Karl Marx (1818-1883) was a German economist, philosopher, historian, and political thinker whose ideas have shaped the modern world more than almost any other thinker…
Critical thinking Ethical thinking Research skills Cultural heritage and identity +1
"The philosophers have only interpreted the world, in various ways; the point, however, is to change it."
Mathematics
Katherine Johnson
1918 - 2020 · United States (African American)
Katherine Johnson was an American mathematician. She did the calculations that helped send the first American astronauts into space and to the Moon. She worked…
Scientific thinking Problem solving Critical thinking Ethical thinking +1
"We will always have STEM with us. Some things will drop out of the public eye and will go away,…"
Arts
Katsushika Hokusai
1760-1849 · Japan (Edo / Tokyo)
Katsushika Hokusai (1760-1849) was a Japanese painter and printmaker of the Edo period, widely regarded as the greatest artist of the ukiyo-e tradition and one…
Creative expression Critical thinking Cultural heritage and identity Research skills +1
"From the age of six I had a mania for drawing the shapes of things."
Mathematics
Kurt Gödel
1906 - 1978 · Austria (later United States)
Kurt Gödel was an Austrian-American logician, mathematician, and philosopher. He is widely considered the greatest logician of the 20th century. His incompleteness theorems changed how…
Scientific thinking Critical thinking Problem solving Research skills +1
"Either mathematics is too big for the human mind, or the human mind is more than a machine."
Arts
Leonardo da Vinci
1452 - 1519 · Florence and Milan, Italy
Leonardo da Vinci was an Italian artist, scientist, and inventor. He was born in 1452 in the small town of Vinci, near Florence, in what…
Creative expression Scientific thinking Problem solving Research skills +1
"Learning never exhausts the mind."
Psychology
Lev Vygotsky
1896-1934 · Russia / Soviet Union
Lev Semyonovich Vygotsky (1896-1934) was a Russian psychologist whose ideas about how children learn and develop have become central to education and developmental psychology worldwide.…
Scientific thinking Research skills Critical thinking Ethical thinking +1
"What a child can do with assistance today she will be able to do by herself tomorrow."