Mitchell:

http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2005/11/19/nive19.xml&sSheet=/news/2005/11/19/ixnewstop.html

http://news.bbc.co.uk/2/hi/in_depth/uk/2000/newsmakers/1768724.stm

http://www.leftofsix.com/design/multimedia/01/iveLoadme.html

http://www.designmuseum.org/design/jonathan-ive

http://news.bbc.co.uk/2/hi/technology/2959278.stm

http://en.wikipedia.org/wiki/L%C3%A9on_Foucault

http://www2.phys.canterbury.ac.nz/~wjt23/foucault.html

http://www.juliantrubin.com/bigten/foucaultpendulum.html

Trey:

http://en.wikipedia.org/wiki/Richard_Jordan_Gatling

http://www.northstar.k12.ak.us/schools/ryn/projects/inventors/gatling/gatling.html

The Kids' Invention Book by Arlene Erlbach

http://www.highbeam.com/doc/1P2-935347.html

Hudson:

http://en.wikipedia.org/wiki/Thomas_Edison

http://inventors.about.com/library/inventors/bledison.htm

http://www.pbs.org/wgbh/amex/edison/timeline/index.html

http://en.wikipedia.org/wiki/Douglas_Engelbart

http://inventors.about.com/library/weekly/aa081898.htm

http://www.superkids.com/aweb/pages/features/mouse/mouse.html

Hank:

http://www.aboutbeanies.com/

http://www.usnews.com/usnews/biztech/articles/040216/16eeupdate.htm

http://en.wikipedia.org/wiki/Benjamin_Franklinhttp://www.ushistory.org/franklin/

http://www.ushistory.org/franklin/info/timeline.htm