Great Thinkers

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

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Mathematics 1 Medicine & Health 1
Language & Linguistics 1 Arts 1
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Era: Medieval × Problem solving ×
Mathematics
Al-Khwārizmī
c. 780-c. 850 · Persia / Abbasid Caliphate (active in Baghdad)
Muḥammad ibn Mūsā al-Khwārizmī was a Persian scholar born around 780, probably in Khwarezm, a region in what is now Uzbekistan. His family name, al-Khwārizmī,…
Scientific thinking Problem solving Critical thinking Research skills +1
"That fondness for science, by which God has distinguished the Imām al-Ma'mūn... has encouraged me to compose a short work…"
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Religion
Khadija bint Khuwaylid
c. 555-619 · Arabia (Mecca)
Khadija bint Khuwaylid was a successful Arabian merchant in 6th- and 7th-century Mecca. She is honoured in Islamic tradition as the first Muslim and as…
Ethical thinking Cultural heritage and identity Problem solving Emotional intelligence +1
"By God, God will never humiliate you. You maintain family ties, you help to carry the burdens of the weak,…"
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Politics
King Sejong the Great
1397-1450 · Korea (Joseon)
King Sejong the Great (Sejong Daewang) was the fourth king of Korea's Joseon dynasty and one of the most consequential rulers in Korean history. He…
Problem solving Scientific thinking Ethical thinking Cultural heritage and identity +1
"The sounds of our country's language are different from those of the Middle Kingdom and are not confluent with the…"
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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."
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Medicine & Health
Paracelsus
1493-1541 · Switzerland (Holy Roman Empire)
Paracelsus was a Swiss physician, alchemist, and reformer of medicine who lived during the early Renaissance. His real name was Philippus Aureolus Theophrastus Bombastus von…
Scientific thinking Critical thinking Research skills Creative expression +1
"All things are poison, and nothing is without poison; only the dose makes a thing not a poison."
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Language & Linguistics
Sībawayh
c. 760-796 · Persia / Iraq (Basra)
Abu Bishr Amr ibn Uthman, known as Sībawayh (c. 760-796), was a Persian-born Arab grammarian whose book Al-Kitāb is the first comprehensive description of the…
Scientific thinking Critical thinking Research skills Cultural heritage and identity +1
"A noun is a word that refers to a thing; a verb is a word that indicates an action in…"
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