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Calculator |
Country of
Origin |
Year of
Origin |
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Abraham Hagarman
|
USA
|
1805
|
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Alan Caradine
|
Scotland
|
1941
|
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Albert A
Gamble
|
USA
|
c1889
|
|
Alexander Craig Aitken
|
New Zealand
|
1895
|
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Antoon van den Hurk
|
Netherlands
|
1930
|
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Aron Chikvashvily
|
Georgia
|
|
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Arthur Griffith
|
USA |
1880
|
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Arumogam
|
Sri Lanka
|
1896
|
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August Tischer
|
Germany
|
1882
|
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Benjamin
Blyth
|
England
|
1819
|
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Borislav Gadzhansky
|
Bulgaria
|
|
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C. A. P.
|
USA |
1826
|
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Charles Finn
|
USA
|
1939
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Daniel McCartney
|
USA
|
|
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David Naumovich
Goldshtein
|
Russia
|
|
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Dismer
|
Germany
|
1860
|
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Edward Mills
|
England |
1902
|
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Elizabeth Haywood
|
England
|
1808
|
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Ernest Mongeon
|
France
|
1890
|
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Ernest Wyatt
|
Australia
|
|
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Eugene H Kuhn
|
USA
|
c1880
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F. A. Heinhaus
|
Germany
|
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Ferrol
|
Germany |
1864
|
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Frederica Murray
|
England |
1804
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Frederick
Borders
|
England
|
1898
|
|
Genlis
|
France
|
1900
|
| George
Blesins |
USA
|
1840
|
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George Finn
|
USA
|
1939
|
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George H Wood
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George Noakes
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George Parker Bidder
|
England
|
1806
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| George
Parker Bidder, Jr |
England
|
1837
|
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George Rowland Price |
USA
|
1878
|
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George Watson
|
England
|
1785
|
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Gerard
Mortensen
|
Denmark
|
c1915
|
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Gottfried Ruckle
|
Germany
|
1875
|
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Grandmange |
|
1836 |
| Guiseppe
Pugliese |
Italy
|
1825
|
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Hans Eberstark
|
Austria
|
1929
|
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Henri Mondeux
|
France
|
1826
|
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Henry Andrews
|
England
|
1743
|
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Herbert de Grote
|
Mexico
|
1892
|
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Igor Shelushkov
|
Russia
|
1900
|
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Ivan Petroff
|
Russia
|
c1824
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Jacques Inaudi
|
Italy
|
1867
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| James
Garry |
Ireland
|
1800
|
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James Nolan |
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Jedediah Buxton
|
England
|
1702
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J. G. van Cise
|
|
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Johann
Dase
|
Germany
|
1824
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John Alexander
|
Scotland
|
c1830
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John F
Gierke, Jr
|
USA
|
c1904
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John Law
|
Scotland
|
1671
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John Marsh
|
England
|
c1910
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John Mole
|
England
|
1743
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John N. Outwater
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John Roby
|
England
|
1793
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John von Neumann
|
Hungary |
1903
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John Wallis
|
England
|
1616
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John Winn
|
USA
|
1805
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| Josef
Zinovievich Prikhodko |
Russia
|
1930
|
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Leo Klein
|
Netherlands
|
1911
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| Linon
Beason |
England
|
c1930
|
| Louis
Fleury |
France
|
1893
|
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Ludwig Kahn
|
Germany
|
1895
|
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Luigi Pierini
|
Italy |
1878
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M M J R Lacy
|
Spain
|
1795
|
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Marius Portal
|
France
|
1897
|
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Mattieu le Coq
|
Italy
|
1895
|
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Maurice Dagbert
|
France
|
1913
|
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Meho Focie
|
Austria
|
1932
|
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Meredith Holland
|
|
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Miguel Alberto Mantilla
|
Mexico
|
1890
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Mikhail Cerebriakhof
|
Russia
|
1860
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Mlle Osaka
|
France
|
1920
|
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Mohammed El Attar
|
Egypt
|
1915
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Moritz Frankl
|
Germany
|
1873
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Oscar Moore
|
USA
|
1885
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Oscar Verhaeghe
|
Belgium
|
1926
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Pai Sung Jin
|
Korea
|
c1910
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Paul-Aumont Lidoreau
|
France
|
1900
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Pericles Diamandi
|
Greece
|
1868
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Peter M Deshong
|
USA
|
1810
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Petrof Cerebriakhof
|
Russia
|
1860
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Piemontais Pughiesi
|
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1850
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Pierre Annich
|
Austria
|
1850
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Prolongeau
|
France
|
1838
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R H Frost
|
England
|
1931
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Richard Leonard
|
England
|
1810
|
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Richard Porson
|
England
|
1808
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Richard Whately
|
Ireland
|
1787
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Robert Wilcox, Jr
|
|
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Roman Semyonovich
Arrago
|
Russia
|
1883
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Rube Fields
|
USA
|
1910
|
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Salo Finkelstein
|
Poland
|
1897
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| Samuel
Isaac Krieger |
Germany
|
c1890
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| Shakuntala
Devi |
India
|
1935
|
| Shyam
Marathe |
India
|
1931
|
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Srinivasa Ramanujan
|
India
|
1887
|
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Svante August Arrhenius
|
Sweden
|
1859
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T Leddra
|
|
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Thomas Fuller
|
Africa
|
1710
|
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Thomas John
|
Scotland
|
1776
|
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Truman Henry Safford
|
USA
|
1836
|
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Ugo Zaneboni
|
Italy
|
1867
|
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Uranie Diamandi
|
Greece
|
1870
|
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van R
|
USA
|
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Vincenzo Succaro
|
Italy
|
1822
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Vinckler
|
Germany
|
|
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Vito Manglamele
|
Italy
|
1827
|
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Vladymir Zubritsky
|
Russia
|
1905
|
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William James Sidis
|
USA
|
1898
|
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William S Hutchings
|
USA
|
1832
|
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William Ulysses Scott
|
|
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William Strong
|
USA
|
c1880
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William Vallance
|
|
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Willis
Dysart
|
USA
|
1923
|
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Wim
Klein
|
Netherlands
|
1912
|
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Zerah Colburn
|
USA
|
1804
|
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