Edward Tufte, professor emeritus of political science, statistics, and computer science at Yale University speaks during the memorial service for Aaron Swartz, Saturday, Jan. 19, 2013 i

 

              Edward Tufte, professor emeritus of political science, statistics, and computer science at Yale University speaks during the memorial service for Aaron Swartz, Saturday, Jan. 19, 2013 i
Edward Tufte, professor emeritus of political science, statistics, and computer science at Yale University speaks during the memorial service for Aaron Swartz, Saturday, Jan. 19, 2013 in New York. Friends and supporters of Aaron Swartz paid tribute Saturday to the free-information activist and online prodigy, who killed himself last week as he faced trial on hacking charges. (AP Photo/Mary Altaffer)