https://en.wikipedia.org/wiki/North_American_Man/Boy_Love_As...
Allen Ginsberg was a member as well.
Reading this article, it makes me recall all the pop songs from the 80s which had lyrics like "...she's only seventeen!" (https://en.wikipedia.org/wiki/Seventeen_(Winger_song)). I don't think Winger was a member of NAMBLA.