Paul Otlet was a Belgian, *1868, died 1944, who perfected the Dewey Classification system as "the Universal Decimal Classification", in his lifetime alone totalling 17 million index cards of human knowledge.
Reviews
Linbeymusol
Wonderful character development!
EssenceStory
Well Deserved Praise
Solidrariol
Am I Missing Something?
Ava-Grace Willis
Story: It's very simple but honestly that is fine.