It all started in the 1970s in an office building on Park Avenue. Reinhart Wolf was looking out over the rooftops of New York with an editor from GEO magazine. At some point, the editor asked: “Why don’t you take photos for us?” A commission was born, for which the renowned advertising photographer trained his lens on the tops of New York buildings, documenting their glass and steel architecture in stunning detail. It was no easy task. Wolf had to use his powers of persuasion to convince countless doormen, superintendents, and tenants to open their doors for him – often at the brink