Photograph of Mariánské Lázně, The interior of the reading room in the social hall Casino

J. F. Langhans was Czech portrait photographer, he owned ateliers in Prague, Pilsen and Mariánské Lázně. Langhans was very innovative in his work and in the concept of advertising and graphic design. He had a significant company car, which was also used as a mobile advertising panel. He made utility items and postcards. He was also one of the first photographer who used electric lighting.