Template:Selected anniversaries/January 6: Difference between revisions
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||1807 – Joseph Petzval, German-Hungarian mathematician and physicist (d. 1891) | ||1807 – Joseph Petzval, German-Hungarian mathematician and physicist (d. 1891) | ||
||Gustav Adolph Kenngott (b. January 6, 1818) was a German mineralogist. | |||
||1838 – Alfred Vail demonstrates a telegraph system using dots and dashes (this is the forerunner of Morse code). | ||1838 – Alfred Vail demonstrates a telegraph system using dots and dashes (this is the forerunner of Morse code). | ||
Revision as of 06:39, 30 November 2017
1561: Mathematician and physicist Thomas Fincke born. He will introduce the modern names of the trigonometric functions tangent and secant.
1655: Mathematician Jacob Bernoulli born. He will discover the fundamental mathematical constant e, and make important contributions to the field of probability.
1918: Mathematician and philosopher Georg Cantor dies. He invented set theory, a fundamental area of mathematical inquiry.
1931: Inventor Thomas Edison signs his last patent application.
2015: Color commentators call John Hoyland's Lebanon "colorful in a way that defies description."
2016: Cold weather depresses Bergamot oil market, industry analysts predict spike in gas chromatography prices.
