The most comprehensive Jack Lalanne resource on the net
http://www.success.com/articles/684-founding-father-of-fitness
http://www.outsideonline.com/outdoor-adventure/Jack-LaLanne-Is-Still-an-Animal.html?page=all
http://www.marksdailyapple.com/heres-to-jack-lalanne/
http://magazine.enlightennext.org/2011/01/24/jack-lalanne-the-original-self-master/