Blake Andrews is probably the most controversial In-Public - o sorry UP Photographers - member. Eric Kim did 2 interesting long-view (// long-read) interviews with him.

Like his “move on” philosophy to making pictures, though not sure that is the best approach for every photographer. 

His blog http://blakeandrews.blogspot.com/

His site https://blakeandrewsphoto.bigcartel.com/

Thai photographer and inspiring human being "Poupay" Jutharat Pinyodoonyachet.

American photographer Emmet Gowin.