I also found another relation to "hacker""ism" in the story of how George Warring put his sanitation workers in white (to associate them with hygiene) and helme

I also found another relation to "hacker""ism" in the story of how George Warring put his sanitation workers in white (to associate them with hygiene) and helmets (to give them authority). Think of it as User Experience design for the city dwellers in the late 19th century.