In 2016, I came across an old letter from a long-time family friend, Mulford Sibley, among my father’s papers.[1] Mulford, writing on May 29, 1940 from Urbana, Illinois, to his sister Margaret, pinpointed the beginning of the Champaign County chapter of the American Civil Liberties Union (ACLU). Mulford Sibley (1912-1989) was a professor of political […]