https://en.m.wikipedia.org/wiki/Gene_Sharp

Gene Sharp (January 21, 1928 – January 28, 2018) was an American political scientist. He was the founder of the Albert Einstein Institution, a non-profit organization dedicated to advancing the study of nonviolent action, and professor of political science at the University of Massachusetts Dartmouth.[2] He was known for his extensive writings on nonviolent struggle, which have influenced numerous anti-government resistance movements around the world.