Thierry Cohen has been a professional photographer since 1985 and from the end of the 80s, a pioneer in the use of digital techniques. Since 2006, he has devoted most of his time to his personal work. Since 2010, from megacities to deserts, he has mainly worked to achieve “Darkened Cities”, giving back stars to cities for the viewer and raising public awareness to the problem of light pollution. His works are held in private and public collections. Thierry Cohen lives and works in Paris.