Allen Ginsberg
There's been quite a bit in the press recently about the 50th anniversary of the first reading of Ginsberg's poem Howl. If like me you weren't around at the time, it is difficult to understand the impact made by the insurgent poetry of the Beat poets. There are several good sites online - but one which is well thought out and presented is The Beat Page. Here is their overview of Ginsberg with online texts of some of the poems including Howl:
www.rooknet.com/beatpage/writers/ginsberg.html#howl