Template:Selected anniversaries/December 22: Difference between revisions

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File:Sir Richard Arkwright by Mather Brown 1790.jpg|link=Richard Arkwright (nonfiction)|1732: Inventor, engineer, and businessman [[Richard Arkwright (nonfiction)|Richard Arkwright]] born. Later in his life Arkwright will be known as the "father of the modern industrial factory system."
File:Sir Richard Arkwright by Mather Brown 1790.jpg|link=Richard Arkwright (nonfiction)|1732: Inventor, engineer, and businessman [[Richard Arkwright (nonfiction)|Richard Arkwright]] born. Later in his life Arkwright will be known as the "father of the modern industrial factory system."


||Johann Friedrich Pfaff (sometimes spelled Friederich; b. 22 December 1765) was a German mathematician.
File:Johann Friedrich Pfaff.jpg|link=Johann Friedrich Pfaff (nonfiction)|1765: mathematician [[Johann Friedrich Pfaff (nonfiction)|Johann Friedrich Pfaff]] born. He will work on partial differential equations of the first order Pfaffian systems, as they are now called, which will become part of the theory of differential forms.


||1788 – Percivall Pott, English physician and surgeon (b. 1714) Environmental cancer
||1788 – Percivall Pott, English physician and surgeon (b. 1714) Environmental cancer

Revision as of 12:55, 22 November 2017