Natural philosophy

12 lives in this collection worked in natural philosophy, from 384 BC to today. Each has a full course on their life and the mathematics and physics they made.

Often together with: mechanics, astronomy, chemistry, cosmology, logic, theology, acoustics, optics, physics. All fields

  • Aristotle384 BC–322 BC

    Greek philosopher and student of Plato who founded the Lyceum and wrote the first systematic treatises on motion, the cosmos, formal logic, zoology and meteorology, which framed natural science until the Scientific Revolution.

    natural philosophy, physics, cosmology

  • John Philoponus490–570

    Alexandrian Christian commentator on Aristotle who proposed an impressed force for projectiles, argued that falling times barely depend on weight, defined place as extension, denied the aether, and argued from the infinite that the world had a beginning.

    natural philosophy, mechanics, cosmology

  • Ibn Sina980–1037

    Persian physician and philosopher whose Book of the Cure recast Aristotelian physics, including a theory of imparted inclination (mayl) for projectiles, and whose Canon of Medicine organized medicine as a science and was taught in Europe for five centuries.

    natural philosophy, medicine, logic

  • Jean Buridan1300–1360

    Paris arts master who named and developed the theory of impetus, a motive power growing with quantity of matter and speed, weighed the daily rotation of the Earth, and wrote the most widely taught nominalist logic of the late Middle Ages.

    natural philosophy, mechanics, logic

  • Galileo Galilei1564–1642

    Founder of the mathematical science of motion and of telescopic astronomy, condemned by the Roman Inquisition in 1633 for defending the Copernican system.

    mechanics, astronomy, strength of materials

  • Marin Mersenne1588–1648

    Minim friar who established the laws of the vibrating string, gave his name to the primes 2^p − 1, and ran the correspondence network at the centre of European science in the 1630s and 1640s.

    acoustics, music theory, number theory

  • René Descartes1596–1650

    Philosopher and mathematician who joined algebra to geometry, published the sine law of refraction and the theory of the rainbow, and built a mechanical physics of inertia and vortices.

    analytic geometry, algebra, optics

  • Robert Boyle1627–1691

    Anglo-Irish experimental philosopher who, with Robert Hooke's air pump, established the law of pressure and volume and argued for a corpuscular, experimental chemistry.

    pneumatics, chemistry, natural philosophy

  • Pierre-Louis Moreau de Maupertuis1698–1759

    French mathematician and philosopher who led the Lapland expedition that showed the Earth is oblate, proposed the principle of least action, and presided over the Berlin Academy.

    geodesy, mechanics, variational principles

  • Émilie du Châtelet1706–1749

    Natural philosopher who defended Leibniz's vis viva, wrote the Institutions de physique and produced the only complete French translation of Newton's Principia.

    natural philosophy, mechanics, mathematics

  • Joseph Priestley1733–1804

    Dissenting minister and experimenter who isolated oxygen and many other gases, discovered that plants restore air, and inferred the inverse-square law of electric force.

    chemistry, electricity, natural philosophy

  • Hans Christian Ørsted1777–1851

    Danish physicist and chemist who discovered in 1820 that an electric current deflects a magnetic needle, founding electromagnetism.

    electromagnetism, physics, chemistry