I would say Isaac Newton because his branch was basically physics. He was concerned with matter and motion. Also measuring mass of the sun and planets.
They protested in ways like the boston tes party.
Generally speaking, the unrest of the 1960s in the United States was the result of "<span>D. social and political issues like civil rights, equality for women, and the war in Vietnam," since the younger populus was starting to become much more "vocal" during this time. </span>