Alexander Graham Bell

http://sln.fi.edu/franklin/inventor/bell.html

http://encarta.msn.com/encyclopedia_761568424/Alexander_Graham_Bell.html

http://www.alexandergrahambell.org/

http://inventors.about.com/library/inventors/bltelephone2.htm

Thomas Alva Edison

http://www.americaslibrary.gov/cgi-bin/page.cgi/aa/scientists/edison

http://www.gardenofpraise.com/ibdediso.htm

http://encarta.msn.com/encyclopedia_761563582/Thomas_Alva_Edison.html

http://thomasedison.com/

 

Henry Ford

 

http://www.hfmgv.org/exhibits/hf/

http://www.pbs.org/wgbh/aso/databank/entries/btford.html

http://www.incwell.com/Biographies/Ford.html

 

http://encarta.msn.com/encyclopedia_761567245/Ford_Henry.html

 

http://www.ideafinder.com/history/inventors/ford.htm

Cyrus Hall McCormick

http://www.gardenofpraise.com/ibdcyrus.htm

http://www.invent.org/hall_of_fame/101.html

http://www.vaes.vt.edu/steeles/mccormick/bio.html

 

 

http://encarta.msn.com/encyclopedia_761553789/Cyrus_McCormick.html

 

Louis Pasteur

http://www.accessexcellence.org/AB/BC/Louis_Pasteur.html

http://www.historylearningsite.co.uk/louis_pasteur.htm

 

 

http://web.ukonline.co.uk/b.gardner/pasteur.htm#ac

http://www.zephyrus.co.uk/louispasteur.html

 

Jonas Salk

http://encarta.msn.com/encyclopedia_761577444/Jonas_Salk.html

http://www.wic.org/bio/jsalk.htm

http://www.time.com/time/time100/scientist/profile/salk.html

http://www.pbs.org/wgbh/aso/databank/entries/bmsalk.html