Matthias Harder studied Art History, Classical Archaeology and Philosophy in Kiel and Berlin. He is a member of the German Society of Photography and an advisory council member of the European Month of Photography. Head curator of the Helmut Newton Foundation in Berlin from 2004, and its director from 2019, he has written numerous articles for books and exhibition catalogues. Manfred Spitzer is a German psychiatrist, psychologist and neuroscientist, as well as a popular author in the conjunction of all of these fields. He is Medical Director of the Psychiatric University Hospital in Ulm, Germany. Carine Roitfeld is an influentual fashion journalist, former editor-in-chief of French Vogue, and founder of CR Fashion Book. With a four decades career as a leader in the fields of fashion, culture and lifestyle, Peruvian-born Mario Testino OBE has many facets that take him beyond the surface of a photographer and artist placing him as a cultural visionary. Testino's universe is broad, his impact is uniquely powerful and his lifestyle is completely authentic. Testino's has seen his works published and exhibited in hundreds of cities around the world. Throughout his career he built unprecedent relationships with editorial and commercial partners such as Vogue, Burberry, and Gucci to name a few. His past and present muses include HRH Princess Diana, Madonna, Donatella Versace, Kendall Jenner and Mariacarla Boscono. His solo exhibitions have shown in museums and galleries worldwide, including the National Portrait Gallery, London; and the Museum of Fine Arts, Boston.