''A biography of ancient Greek mathematician Archimedes, who invented the compound pulley and other machines. His contributions to mathematics included devising the formulas for the surface and volume of a sphere''--Provided by publisher...Title: .The Greatest Mathematician..Author: .Hightower, Paul..Publisher: .Enslow Pub Inc..Publication Date: .2009/09/01..Number of Pages: .128..Binding Type: .LIBRARY..Library of Congress: .2008051818