In 1902 she was elected to membership in the Linked Ring, an important London-based organization that promoted pictorialism, which emphasized artistic as opposed to purely documentary photography. The following year she helped found the Photo-Secession…in 1905 Alfred Stieglitz exhibited her work at his influential New York Gallery, 291.
~National Museum of Women in the Arts

It is not known when she met Stieglitz, but it is clear he knew of and admired her work by 1902 when he included two of her works in the inaugural exhibition at his Little Galleries of the Photo-Secession in New York City. This relationship continued for many years as in 1906, Boughton was appointed by Stieglitz as a Fellow of the Photo-Secession. ~Wikipedia

By 1914, Johnson had won over 30 gold and silver medals in various photographic competitions. She was a member of the Missouri delegation at the PAA’s Milwaukee convention in 1920, and three of her photos were displayed at the PAA’S 1930 convention. ~Wikipedia

Murdoch decided to embark on a round the world tour, notably the first woman photographer to make such a journey, photographing on both autochrome plates and black and white negatives.
~Luminous-Lint

Gatch made her mark at the local, regional, and national levels with winning contest entries and acceptance of her work into salons at San Francisco and Philadelphia. She joined the Salon Club (which opposed the Photo-Secessionists) and was involved in the organization of the Federation of American Photographic Societies in 1904. ~http://archiveswest.orbiscascade.org/