John Aldred is a portrait and animal photographer in Lancaster, England. you can see some of his work on his website, or find him on Facebook or Twitter.
Stefan Kohler is a conceptual photographer, specialized in mixing science, technology and photography. He is one of the founders of Kamerakind, based in Traunstein, Southern Germany. You can follow him on Facebook or on 500px.com
Liron Samuels is a wildlife and commercial photographer based in Israel.
When he isn't waking up at 4am to take photos of nature, he stays awake until 4am taking photos of the night skies or time lapses.