Lurchi Fantastic. The only thing I knew about him was "Everybody's Talkin" by Harry Nilsson.
Lauritz Melchior You might want to look into The Many Sides of Fred Neil. As far as I can tell, it's a compilation of four different albums into two CDs. I bought it off of iTunes for $16.99 and absolutely love it.
The title is very apt, as well. All of his stuff on it is "folk" but he's got great breadth within that.