Pearl Louis Bergoff (1876 – 1947). American strikebreaker, the most notable professional strikebreaker of the mid-1930s.
- "During this time, Bergoff assumed the title 'Red Demon', which, he claimed to the Post, came from 'my red hair and reputation in strikes'". https://books.google.it/books…
- "Last week in Manhattan, red-headed Strikebreaker Bergoff told the National Labor Relations Board some of the things..." http://content.time.com/…/mag…/article/0,9171,757061,00.html
- "Newspapers, however, dubbed him the “Red Demon,” because of the bright-red hair he usually kept covered under a jet-black derby, and because of his malevolence as a “labor adjustor.” http://cafepinfold.com/standard-oils-aliens-strike-an-essay/