Board Thread:General Discussion/@comment-25086632-20151123071037/@comment-26365870-20151210060700

Team Motif: Maybe-Obscure Inventors/Revolutionizers

Tsai Lun (the person who invented, or revolutionized paper)

Al-Khwarizimi (the guy who invented/revolutionized algebra)

Charles Goodyear (the guy who invented/revolutionized vulcanized rubber)

and i got nothing more @_@