Your grandchildren shouldn't believe that list. How long ago was it created? television (1920's, and before) <A HREF="http://inventors.about.com/od/tstartinventions/a/Television_Time.htm" target="_blank">http://inventors.about.com/od/tstartinventions/a/Television_Time.htm</A> penicillan was discovered in 1928 <A HREF="http://wiki.answers.com/Q/Who_discovered_Penicillin" target="_blank">http://wiki.answers.com/Q/Who_discovered_Penicillin</A> Xerox, company was founded in 1906 <A HREF="http://www.xerox.com/innovation/flash/Innovation.swf" target="_blank">http://www.xerox.com/innovation/flash/Innovation.swf</A> Sure can't trust those e-mails, can you? :)