File:George Boole.jpg

George Boole, Mathematician, 1858-1908, creator or Boolean Algebra

http://commons.wikimedia.org/wiki/File:George_Boole.jpg Date: about 1860 http://www.enezeus.com/blog/wp-content/uploads/2006/10/hacker1.jpg Author Haks. Permission (Reusing this file)	. 1)Public domain (author died more than 84 years ago; 2) From the above web-page: "If you wish to use an image on another Web site, please feel free to so without any further permission."