G. N. Watson
1935 · Good
€20
Silvanus Phillips Thompson
1935 · Very good
€35
Leonhard Euler
1763 · Fair
€140
Alfred Daniell
1888 · Good
€70
Sir Isaac Newton
1727 · Very good
€475
Bertrand Russell
1935 · Good
€85
Euclid
1585 · Very good
€565
William Kingdon Clifford
1914 · Fair
€35
Earl Derr Biggers, Robert Welles Ritchie
1932 · Fine
€90
Antonie Hendrik Schoemaker
1868 · Good · NL
€140
Johannes Kepler
1616 · Fair
€1,400
John Ward (of Chester)
1708 · Good
€305
Edwin Emery Slosson
1935 · Very good
€40
Thomas Simpson
1751 · Very good
€660
Jacques Rohault
1674 · Fair
€520
Aristotle
1579 · Fine
€1,405
Albert Einstein, G. B. Jeffery
1926 · Fair
€25
Charles Hutton
1812 · Very good
€245
Elias Loomis
1883 · Very good
€120
Nicholson, William
1818 · Very good
€185
Antoine François de Fourcroy
1816 · Good
€285
Frank Hall Thorp
1906 · Good
€25
John Ayres
1696 · Very good
€1,970
William Houston Greene
1884 · Very good
€80