/oss/taxonomy/term/3978/all en /oss/article/general-science-history/why-black-hair-dye-became-popular-1930s-detroit <p>Well, because Henry Ford decided that younger men could work more productively on his automobile assembly line and so began to fire older workers and higher younger ones. This prompted some of the veteran workers to try to disguise their age with what else, but black hair dye. While Ford does deserve credit for laying the foundations to the modern automobile industry, particularly by introducing the concept of the assembly line, he also can be roundly criticized for his labour practices and ideological views.</p> Mon, 06 May 2013 21:30:22 +0000 Joe Schwarcz PhD 1929 at /oss