Description
"Even though Mendeleev always denied that electrons exist, they later turned out to be vital for ordering the elements in his table." – Patricia Fara, "Science: A Four Thousand Year History" (2009).
"Willis combined the physician's expert anatomical sophistication with the fluent use of an interpretive apparatus that see-sawed between novelty and tradition, Galenism and Gassendist atomism, iatrochemistry and mechanism." – Noga Arikha, "Form and Function in the Early Enlightenment," Perspectives on Science Vol. 14, Issue 2 (Summer 2006) p.153-188.
"The principal object of Algebra, as well as of all the other branches of the Mathematics, is to determine the value of quantities which were before…
Full description on the Flickr photo page.