Template:Selected anniversaries/October 16: Difference between revisions

Revision as of 18:53, 13 January 2018

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.

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 ||1553 – Lucas Cranach the Elder, German painter and engraver (b. 1472)
-File:Leonardo Draws Clock Head.jpg|link=Leonardo Draws Clock Head|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]].
+File:Leonardo Draws Clock Head.jpg|link=Leonardo Draws Clock Head|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]].
 File:Delmedigo.jpg|link=Joseph Solomon Delmedigo (nonfiction)|1655: Physician, mathematician, and theorist [[Joseph Solomon Delmedigo (nonfiction)|Joseph Solomon Delmedigo]] dies. His ''Elim'' (Palms) deals with astronomy, physics, mathematics, medicine, metaphysics, and music theory.