Tillman, 'scientist by day, artist by night', sees photography as a means of communication. He uses photography to communicate his visual interaction with the world.
He has been using photography in this manner for many years and has achieved an Associateship of the Royal Photographic Society, and has been awarded a Distinction by the Photographic Alliance of Great Britain, and has achieved the level of Excellence from the Federation International de l'Art Photographique.
His work is regularly accepted in national and international Salons, and he has had exhibitions of his work in the UK and France.
His photographs are sold to private and corporate clients.