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In 1971 a further book was published about James Chalmers "James Chalmers Inventor of the adhesive postage stamp". The co-author William J Smith was a director of David Winter & Sons Ltd (successor to the James Chalmers printing company). Charles Chalmers had succeeded his father James in the printing business in 1853.
Also, in 1868, he issued his first multi-paged postage stamp catalog, A Descriptive Catalogue of America and Foreign Postage Stamps, Issued from 1840 to Date. In a short period of time, his Scott catalog became the leading stamp catalog in the United States. In 1885, he sold the rights to his business to the Calman brothers who renamed it the ...
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 ...
This article lists people who have been featured on United States postage stamps, listed by their name, the year they were first featured on a stamp, and a short description of their notability. Since the United States Post Office (now United States Postal Service or USPS) issued its first stamp in 1847, over 4,000 stamps have been issued and ...
Harry Mendell, U.S. – invented the first digital sampling synthesizer; Joy Mangano (born 1956), U.S. – household appliances; Anna Mangin (1844–1931) – American inventor, educator, caterer and women's rights campaigner; Charles Mantoux (1877–1947), France – Mantoux test (tuberculosis) Guglielmo Marconi (1874–1937), Italy – radio ...
An American-style 15×15 crossword grid layout. A crossword (or crossword puzzle) is a word game consisting of a grid of black and white squares, into which solvers enter words or phrases ("entries") crossing each other horizontally ("across") and vertically ("down") according to a set of clues. Each white square is typically filled with one ...
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William B. Purvis (12 August 1838 – 10 August 1914) [1] was an African-American inventor and businessman who received multiple patents in the late 19th-century. His inventions included improvements on paper bags, an updated fountain pen design, improvement to the hand stamp, and a close-conduit electric railway system.