The Gallery
Music theory
Jean d'Alembert
al–Faràbi
Eratosthenes
Xenophilus
Ptolemy
Al-Kindi
Hsi K'ang
Jean le Rond d'Alembert
Pierre Hyacinthe Azais
Marin Mersenne
Johannes Kepler
Joseph Solomon Delmedigo
Michael Psellus
Porphyry
Gottfried Wilhelm Leibniz
Leonhard Euler
Girolamo Cardano
Qutb al-Din al-Shirazi
Farabi
Pythagoras
1