Cristina Ortiz (Barcelona, 1961). Biologist and photographer specializing in using old photographic techniques as Cyanotype and Bichromated gum. Since1992 doing courses of techniques and creative photographic development in her workshop-studio MateriaGris. Since the early 1990s, his work has been part of numerous individual and group exhibitions. You can check the complet biography, projects and exhibitions in http://crisortiz.com
Blog: http://materiagris.crisortiz.commore
