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He is best known for the invention of the crossword puzzle in 1913, when he was a resident of Cedar Grove, New Jersey. [5] Wynne created the page of puzzles for the "Fun" section of the Sunday edition of the New York World. For the December 21, 1913, edition, he introduced a puzzle with a diamond shape and a hollow center, with the letters F-U ...
Mathematicians and applied mathematicians are considered to be two of the STEM (science, technology, engineering, and mathematics) careers. [ citation needed ] The discipline of applied mathematics concerns itself with mathematical methods that are typically used in science, engineering, business, and industry; thus, "applied mathematics" is a ...
William Schieffelin Claytor (1908–1967), third African-American to earn a Ph.D. in mathematics, University of Pennsylvania [1] [2] Paul Cohen (1934–2007) Don Coppersmith (b. 1950), cryptographer, first four-time Putnam Fellow in history; Elbert Frank Cox (1895–1969), first African-American to earn a Ph.D. in mathematics, Cornell University
This is a List of Lists of mathematicians and covers notable mathematicians by nationality, ethnicity, religion, profession and other characteristics. Alphabetical lists are also available (see table to the right).
Diophantus of Alexandria [1] (born c. AD 200 – c. 214; died c. AD 284 – c. 298) was a Greek mathematician, who was the author of two main works: On Polygonal Numbers, which survives incomplete, and the Arithmetica in thirteen books, most of it extant, made up of arithmetical problems that are solved through algebraic equations.
The popularity of these puzzles guarantees they'd be well known by then to Sam Loyd, an American puzzler and early Dudeney puzzle collaborator. Both Dudeney and Loyd were featured by Martin Gardner in his Mathematical Games column in Scientific American —Loyd in August 1957 and Dudeney in June 1958.
Crossword-like puzzles, for example Double Diamond Puzzles, appeared in the magazine St. Nicholas, published since 1873. [32] Another crossword puzzle appeared on September 14, 1890, in the Italian magazine Il Secolo Illustrato della Domenica. It was designed by Giuseppe Airoldi and titled "Per passare il tempo" ("To pass the time"). Airoldi's ...
Samuel Loyd (January 30, 1841 – April 10, 1911 [1]) was an American chess player, chess composer, puzzle author, and recreational mathematician.Loyd was born in Philadelphia but raised in New York City.
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