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Francis Galton Autograph Letter Signed

Currency:USD Category:Collectibles / Autographs Start Price:NA Estimated At:400.00 - 600.00 USD
Francis Galton Autograph Letter Signed

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Auction Date:2021 Dec 08 @ 18:00 (UTC-05:00 : EST/CDT)
Location:15th Floor WeWork, Boston, Massachusetts, 02108, United States
ALS - Autograph Letter Signed
ANS - Autograph Note Signed
AQS - Autograph Quotation Signed
AMQS - Autograph Musical Quotation Signed
DS - Document Signed
FDC - First Day Cover
Inscribed - “Personalized”
ISP - Inscribed Signed Photograph
LS - Letter Signed
SP - Signed Photograph
TLS - Typed Letter Signed
English Victorian statistician, progressive, polymath, sociologist, psychologist, anthropologist, eugenicist, tropical explorer, geographer, inventor, meteorologist, proto-geneticist, and psychometrician (1822–1911) who devised a method for classifying fingerprints that proved useful in forensic science. ALS, one page both sides, 4.5 x 7, November 3, 1881. Handwritten letter concerning a scientific paper, in part: "Enclosed is the pamphlet of which I spoke. The sizes of the peas described in it were however not obtained by the sifter you mentioned but by more exact measurement. The sifter was used to rougher calculations. I fear you will find the pamphlet unalterably dull; the interest of the subject being considerable enough from a mathematical point of view, but from that only. The lines sentenced in p. 1 will perhaps give some idea of the puzzle that had to be solved by growing the sorted peas, generation after generation." In fine condition. Galton developed the law of regression to the mean, or reversion, based on insights from the quincunx ('bean machine' or 'Galton board') and his studies of sweet peas.