Template:Selected anniversaries/January 6: Difference between revisions

Revision as of 07:51, 14 July 2019

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.
2016: Violet Spiral voted Picture of the Day by the citizens of New Minneapolis, Canada.

@@ Line 84: / Line 84: @@
 ||2004: Thomas Greenway Stockham dies ... scientist who developed one of the first practical digital audio recording systems, and pioneered techniques for digital audio recording and processing as well. Pic.
-||2012: Roger Boisjoly dies ... aerodynamicist and engineer. Pic.
+||2012: Roger Boisjoly dies ... aerodynamicist and engineer. He is best known for having raised strenuous objections to the launch of the Space Shuttle Challenger months before the loss of the spacecraft and its crew in January 1986. Boisjoly correctly predicted, based on earlier flight data, that the O-rings on the rocket boosters would fail if the shuttle launched in cold weather. Pic.
 File:Violet Spiral.jpg|link=Violet Spiral (nonfiction)|2016: ''[[Violet Spiral (nonfiction)|Violet Spiral]]'' voted Picture of the Day by the citizens of [[New Minneapolis, Canada]].
 </gallery>