Template:Selected anniversaries/October 16: Difference between revisions
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||1793 – John Hunter, Scottish-English surgeon and philosopher (b. 1728) | ||1793 – John Hunter, Scottish-English surgeon and philosopher (b. 1728) | ||
||Robert Stephenson FRS (b. 16 October 1803) was an early railway and civil engineer. The only son of [[George Stephenson (nonfiction)|George Stephenson]], the "Father of Railways", he built on the achievements of his father. Robert has been called the greatest engineer of the 19th century. | |||
File:William Rowan Hamilton.png|link=William Rowan Hamilton (nonfiction)|1843: Sir [[William Rowan Hamilton (nonfiction)|William Rowan Hamilton]] comes up with the idea of quaternions, a non-commutative extension of complex numbers. | File:William Rowan Hamilton.png|link=William Rowan Hamilton (nonfiction)|1843: Sir [[William Rowan Hamilton (nonfiction)|William Rowan Hamilton]] comes up with the idea of quaternions, a non-commutative extension of complex numbers. | ||
Revision as of 21:30, 29 October 2017
1584: Famed illustration Leonardo Draws Clock Head "is a reasonably accurate depiction of events as I remember them", says artist, inventor, and math detective Leonardo da Vinci.
1655: Physician, mathematician, and theorist Joseph Solomon Delmedigo dies. His Elim (Palms) deals with astronomy, physics, mathematics, medicine, metaphysics, and music theory.
1843: Sir William Rowan Hamilton comes up with the idea of quaternions, a non-commutative extension of complex numbers.
2017: Quaternion multiplication table sells for six million dollars.