The text talks about French photographer Jean Adolphe Braun and his rise to fame in the field of photography in the 19th century. It mentions his work in different genres including floral still lifes, Parisian street scenes, and grand Alpine landscapes. Braun's career began in 1853 and he became known for his photographs of flowers and portraits. He also worked with Pope Pius IX and established a studio in Paris. The text also highlights his role in promoting photography as a commercial art form. Additionally, it mentions Braun's influence on other artists and the introduction of photography in 19th century Rome. Overall, the text emphasizes Braun's significant contribution to the field of photography and his impact on the art world.