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Mathematics On Stamps
The depiction of mathematics on stamps began in 1923 with the issue of a set of three Polish stamps commemorating the 450th birth anniversary of the astronomer and mathematician Nicolaus Copernicus. As the definition of what constitutes a valid mathematical stamp is not universally agreed, some collectors make the case that the first mathematical stamp was the 1847 United States issue depicting the polymath Benjamin Franklin even though he was not primarily a mathematician; others prefer to recognize the 1926 German Leibniz stamp as the first depicting a mathematician. The total number of mathematical stamps that have been issued is approximately 1,600 as of 2024. Definition A mathematical stamp has one or more of the following characteristics: * It depicts a mathematician, or a polymath with a significant mathematical output * It depicts a mathematical concept or mathematical object * It depicts a mathematical symbol, formula or Mathematical notation, notation * It commemorates ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
450th Birth Anniversary Of Copernicus Poland 1923
45 may refer to: * 45 (number) * one of the years 45 BC, AD 45, 1945, 2045 Film *45 (2009 film), ''45'' (2009 film), directed by Peter Coster *45 (upcoming film), an upcoming Kannada-language action fantasy film *.45 (film), ''.45'' (film), directed by Gary Lennon (2006) Music *45 (Jaguares album), ''45'' (Jaguares album), 2008 *45 (Kino album), ''45'' (Kino album), 1982 *45 (Bon Iver song), "45" (Bon Iver song), 2016 *45 (The Gaslight Anthem song), "45" (The Gaslight Anthem song), 2012 *45 (Shinedown song), "45" (Shinedown song), 2003 *45 (Elvis Costello song), "45" (Elvis Costello song), 2002 *The group Stars on 45 and its self-titled 1981 song, "Stars on 45 (song), Stars on 45" *"Forty Five", a song by Karma to Burn from the album ''Appalachian Incantation'', 2010 *45 rpm record or 45, a common form of vinyl single In science *The atomic number of rhodium Astronomy *Messier object Pleiades, M45, a visual magnitude, magnitude 1.4 open cluster in the constellation Taurus (conste ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
