The Sierra Club was originally founded in 1892, but grew dramatically under the leadership of radical activist David Browser in the 1950s and 1960s. (activistfacts.com)
At 56, he pursued elected office for the first time after a 30 - year career defending radical activist groups like Black Lives Matter and Occupy Philadelphia. (businessinsider.com)
«STEAL THIS MOVIE»: Vincent D'Onofrio plays radical activist Abbie Hoffman in this biographical drama based on the books «To America With Love: Letters From the Underground,» by Abbie and Anita Hoffman, and «Abbie Hoffman, American Rebel,» by Marty Jezer. (sfgate.com)