Here are some links on CGI

• http://www.empireonline.com/features/history-of-cgi 

• http://io9.com/the-forgotten-history-of-cgi-1536941205 

• http://computerstories.net/a-computer-generated-imagery-cgi-history/#

• https://www.cgi.com/sites/default/files/pdf/cgi_history.pdf 
(The link above is from CGI.com 2013 CGI Group)