Abbot Howard `` Abbie '' Hoffman ( November 30 , 1936 - April 12 , 1989 ) was an American political and social activist who co-founded the Youth International Party ( `` Yippies '' ) .
Abbot Howard `` Abbie '' Hoffman ( November 30 , 1936 - April 12 , 1989 ) was an American social and political activist .