Friedrich Ludwig Gottlob Frege

The following sites will help you through your research of Frege and his Accomplishments.
Biography of Frege
http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Frege.html
The Complete Biography of Frege
http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Frege.html
Internet Encyclopedia of Philosophy
http://www.iep.utm.edu/f/frege.htm