Complex sentence: It was preceded by the nozem movement and followed by the hippie movement, though unlike these two movements, Provo was actually founded, on May 25,1965, by Robert Jasper Grootveld, an anti-smoking activist, and Roel van Duyn, an anarchist.
Split into simpler sentences: It was preceded by the nozem movement and followed by the hippie movement. Unlike these two movements, Provo was actually founded, on May 25,1965, by Robert Jasper Grootveld, an anti-smoking activist, and Roel van Duyn, an anarchist.