Al-Khwarizmi - Biography of the man often credited as the originator of algebra, whose book title included "al-jabr", the origin of the word. - http://www-history.mcs.st-andrews.ac.uk/Biographies/Al-Khwarizmi.html
Francois Viete (1540-1603) - Known as the father of modern algebra, because of his use of letters to represent variables and the beginning to use geometric graphs to represent algebraic formulas. Page features biography, political background, lecture topics, and a list of some publi - http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Viete.html