Elena Mrozovskaya — the first woman in Russia who was engaged in photography professionally. Before becoming a renowned photographer, Mrozovskaya practiced as an amateur. Her passion for photography led her to the courses of the V Department of the IRTS (Imperial Russian Technical Society) and then to Paris to study under the famous French photographer Félix Nadar. Upon returning to St. Petersburg, Mrozovskaya opened her own photo studio. Despite the complex process of photography, she aimed to convey the individuality of her models, as well as the casualness and vitality of the moment. It is particularly challenging when creating children's portraits. There are numerous photos of prominent figures taken by her, including Fyodor Stravinsky, Vera Komissarzhevskaya, Mathilde Kschessinska, Konstantin Stanislavski, Dmitri Mendeleev, and others. Mrozovskaya frequently participated in photographic exhibitions, where her works received awards: International Exhibition in Stockholm (1897, bronze medal), V Exhibition of the V Department of IRTS in St. Petersburg (1898, silver medal), World Exhibition in Paris (1900, silver medal), and International Exhibition in Liège (1905). Her high professionalism allowed her to become the official photographer for the St. Petersburg Conservatory and the Imperial Russian Musical Society. Particular attention should be given to her interior photographs, which capture the historical appearance of the Conservatory and portraits of notable individuals. Among them are photographs of Alexander Glazunov and Nikolai Rimsky-Korsakov from the collection of the A.A. Bakhrushin Museum. In the post-revolutionary years, information about Mrozovskaya was quite scarce. It is known that photographers Gavriil Kirillov and Dmitry Gimmer were already working in Mrozovskaya's “former atelier”.