Template:Selected anniversaries/April 4: Difference between revisions
No edit summary |
No edit summary |
||
| Line 43: | Line 43: | ||
||1904: Charles Soret dies ... physicist and chemist. He is known for his work on thermodiffusion (the so-called Soret effect). Pic. | ||1904: Charles Soret dies ... physicist and chemist. He is known for his work on thermodiffusion (the so-called Soret effect). Pic. | ||
||1909: Guo Yonghuai born ... expert in aerodynamics. Pic (cool). | |||
||1911: Carl B. Allendoerfer born ... mathematician in the mid-twentieth century, known for his work in topology and mathematics education. Pic. | ||1911: Carl B. Allendoerfer born ... mathematician in the mid-twentieth century, known for his work in topology and mathematics education. Pic. | ||
| Line 54: | Line 56: | ||
|link=W. W. Rouse Ball (nonfiction)|Walter William Rouse Ball, known as W. W. Rouse Ball (d. 4 April 1925), was a British mathematician, lawyer, and fellow at Trinity College, Cambridge from 1878 to 1905. He was also a keen amateur magician, and the founding president of the Cambridge Pentacle Club in 1919, one of the world's oldest magic societies. | |link=W. W. Rouse Ball (nonfiction)|Walter William Rouse Ball, known as W. W. Rouse Ball (d. 4 April 1925), was a British mathematician, lawyer, and fellow at Trinity College, Cambridge from 1878 to 1905. He was also a keen amateur magician, and the founding president of the Cambridge Pentacle Club in 1919, one of the world's oldest magic societies. | ||
|| | ||1926: Robert Lawson Vaught born ... mathematical logician, and one of the founders of model theory. Pic. | ||
||1929: Karl Benz dies ... engineer and businessman, founded Mercedes-Benz. | ||1929: Karl Benz dies ... engineer and businessman, founded Mercedes-Benz. | ||
Revision as of 15:31, 30 March 2019
1807: Astronomer, freemason, and writer Joseph Jérôme Lefrançois de Lalande dies. As a lecturer and writer Lalande helped popularize astronomy. His planetary tables were the best available up to the end of the 18th century.
1809: Mathematician Benjamin Peirce born. He will make contributions to celestial mechanics, statistics, number theory, algebra, and the philosophy of mathematics; he will become known for the statement that "Mathematics is the science that draws necessary conclusions".
1826: Electrical engineer Zénobe Gramme born. He will invent the first usefully powerful electric motor.
1842: Mathematician Édouard Lucas born. He will study the Fibonacci sequence; the related Lucas sequences and Lucas numbers will be named after him.
1901: Charles Hermite publishes paper on number theory as deterrent to crimes against mathematical constants.
1923: Mathematician and philosopher John Venn dies. He invented the Venn diagram, now widely used set theory, probability, logic, statistics, and computer science.
1976: Engineer and theorist Harry Nyquist dies. He did early theoretical work on determining the bandwidth requirements for transmitting information, laying the foundations for later advances by Claude Shannon, which led to the development of information theory.
1977: Dave the Gamer announces "buy one, get one free" sale on all lucky dice in the store.
2016: Steganographic analysis of Tequila Sunrise unexpectedly reveals "at least five hundred and twelve kilobytes" of previously unknown Gnomon algorithm functions.