United States. Congress. Senate. Committee on Patents
1877 · Very good
€75
Gottfried Wilhelm Leibniz
1721 · Good
€460
Apollonius of Perga, William H. Donahue
1661 · Fair
€530
Nathaniel Bowditch
1869 · Fair
€125
Denison Olmsted
1868 · Good
€60
Jørgen Peter Müller
1902 · Fine
€155
Chemical Society (Great Britain)
1893 · Very good
€60
Margaret Bryan
1800 · Good
€210
Chemical Society (Great Britain)
1862 · Fair
€60
Guthrie, William, John Knox
1789 · Very good
€235
Richard Helsham
1743 · Very good
€365
Edward Hatton
1721 · Good
€195
Eugène Pittard
1926 · Good
€20
Ambrosius Aurelius Theodosius Macrobius
1571 · Good
€700
Charles Fort
1933 · Fair
€35
Gerrard Hickson
1922 · Very good
€35
Petty, William Sir
1721 · Good
€420
Oliver Byrne
1877 · Fine
€75
Joseph Priestley
1796 · Fine
€300
Iamblichus, L. Deubner
1746 · Good
€250
William Kingdon Clifford
1914 · Fair
€35
Silvanus Phillips Thompson
1935 · Very good
€35
William Leybourn, Richard Sault
1696 · Good
€1,050
James Finley Weir Johnston
1855 · Very good
€225
William Thomson Kelvin, Peter Guthrie Tait
1868 · Good
€65
John Joseph Griffin
1832 · Good
€225
Jedidiah Morse
1802 · Very good
€130
Brahmagupta, Henry Thomas Colebrooke
1835 · Good
€135
Albert Watson Davison
1935 · Very good
€95
José Ortega y Gasset
1935 · Good
€45
Abraham de Moivre
1734 · Good
€750
Earl Derr Biggers, Robert Welles Ritchie
1932 · Fine
€90
W. W. Rouse Ball
1935 · Fair
€15
Joseph Priestley
1841 · Very good
€95
Henry E. Roscoe, Carl Schorlemmer
1886 · Fine
€60
Freda Dinn
1903 · Very good
€35
Robert T. Gunther
1923 · Fair
€75
John William Draper
1847 · Fine
€180
Caleb Bingham
1806 · Fine
€180
Guy Consolmagno, Dan M. Davis
1766 · Very good
€810
Nathaniel Southgate Shaler
1915 · Fair
€30
Antoine Laurent Lavoisier
1812 · Fine
€315
Marcet Mrs
1815 · Good
€235
Marcet Mrs
1828 · Good
€155
James Hilton
1685 · Good
€465
Alfred Wegener
1906 · Very good
€55
Justus von Liebig, J. von Liebig
1845 · Fair
€105
Edgar Brinsmead
1800 · Very good
€135
René Descartes
1912 · Very good
€85
William Houston Greene
1884 · Very good
€80
Arnold Henry Guyot
1850 · Fair
€35
Alfred Henry Allen
1884 · Very good
€120
Benjamin Smith Barton
1830 · Fine
€515
George Sand
1849 · Good
€175
Galileo Galilei
1624 · Fair
€1,240
Comstock, George C.
1923 · Fair
€15
Euclid
1585 · Very good
€565
Francis Bacon
1648 · Good
€725
Percival Lowell
1907 · Very good
€25
Colin MacLaurin
1753 · Very good
€835