Acharya Hemachandra (twelfth-century India) - adviser to the court of the Solanki dynasty ruler Kumarapala. A Jain philosopher who made important contributions to several other fields including grammar, architecture, history, poetry (he composed the famous epic Tri-shashthi-shalaka-purusha-charitra (Lives of Sixty-Three Great Men) and mathematics (he formulated an earlier version of the Fibonacci Sequence). His all-round knowledge won him the reverent title of Kalikal Sarvagya or the ‘all-knowing of the Kali Yuga’.
Albert Magnus (thirteenth-century Germany) – Teacher to polymath Thomas Aquinas; made contributions to virtually all aspects of science including cosmology, zoology, physiology, botany, and chemistry. He also wrote several volumes on philosophy (mainly logic), theology, and musical theory.
Alfred Lee Loomis (twentieth-century United States) – Lawyer, soldier, and successful investment banker who used his wealth to establish the famous Tuxedo Park scientific laboratory, where invited the world's leading scientists to collaborate and where he himself made important contributions to physics.
Al Farabi (tenth-century Syria) – Political theorist, logician, metaphysician, and cosmologist who wrote over 100 books on various branches of philosophy as well as many other subjects including music, physics, alchemy, and psychology.
Al Kindi (ninth-century Iraq) – A key scholar in the Caliph al Ma'mun's House of Wisdom, he wrote impressive ...