Events of strange and serious nature mark the invention and the manufacture of the nylon stockings. For example inhuman exploitation of workers in artificial silk factories. The US army was a substantial promoter of the nylons.

Nylon blues

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.