Paul John Flory, 1910-1985. From http://www.wissen.de/wde/generator/wissen/ressorts/natur/naturwissenschaften/indexoffline,page=1101046.html
Walter Hugo Stockmayer, 1914-2004. From http://photos.aip.org/
Paul Erdős, 1913-1996. From http://www.educ.fc.ul.pt/docentes/opombo/seminario/erdos/vida.html
Alfréd Rényi, 1921-1970. "A mathematician is a machine for turning coffee into theorems". From http://www.cs.bu.edu/fac/gacs/misc.html
Ray Solomonoff, 1926-2009. From http://www.cs.indiana.edu/~dgerman/2005midwestNKSconference/new/
Anatol Rapoport, 1911-2007. From http://wirtschaftswissenschaften.univie.ac.at/forschung/honorarprofessoren/
Herbert Alexander Simon, 1916-2001. From http://www.harvardsquarelibrary.org/unitarians/simon.html
Paul Baran, 1926. From http://www.chip.pl/artykuly/trendy/2009/06/kronika-chip-a-internet-i-www
Donald Watts Davies, 1924-2000. From http://www.cs.rhul.ac.uk/Studying/ug/daviesscholarship.html
Derek John de Solla Price, 1922-1983. From http://www.garfield.library.upenn.edu/papers/history/heritagey1998.html
Stanley Milgram, 1933-1984. From http://ahp.apps01.yorku.ca/?tag=replication
Stanley Milgram. From http://www.simplypsychology.pwp.blueyonder.co.uk/milgram.html
Stanley Milgram. From http://www.nytimes.com/2004/09/14/nyregion/14subway.html
Stanley Milgram. From http://www.stat.cmu.edu/~fienberg/Stat36-835-07.html
Mark Granovetter, 1943. From http://www.stanford.edu/group/esrg/siliconvalley/people.htm
Per Bak, 1948-2002. From http://photos.aip.org/
Vinton Gray "Vint" Cerf, 1943. From http://datapeak.net/computerscientists.htm
Sir Timothy John "Tim" Berners-Lee, 1955. From http://www.chip.pl/artykuly/trendy/2009/06/kronika-chip-a-internet-i-www
Lawrence "Larry" Page, 1973, and Sergey Brin, 1973. From http://datapeak.net/computerscientists.htm