Ocupation: Historian
Life: January 30, 1912 - February 6, 1989
Birthday: January 30
Death: February 6
To ensure that no one gained an advantage over anyone else, commercial law prohibited innovation in tools or techniques, underselling below a fixed price, working late by artificial light, employing extra apprentices or wife and under-age children, and advertising of wares or praising them to the detriment of others.
topic: Children, Light, Law, Working Late, Artificial Light