‘Born in Hoboken, New Jersey, in 1864, and schooled as an engineer in Germany, Alfred Stieglitz returned to New York in 1890 determined to prove that photography was a medium as capable of artistic expression as painting or sculpture…’

https://www.metmuseum.org/toah/hd/stgp/hd_stgp.htm

‘Edward Steichen (born March 27, 1879, Luxembourg – died March 25, 1973, West Redding, Connecticut, U.S ), American photographer who achieved distinction in a remarkably broad range of roles. In his youth he was perhaps the most talented and inventive photographer among those working to win public acceptance of photography as a fine art. He went on to gain fame as a commercial photographer in the 1920s and ’30s, when he created stylish and convincing portraits of artists and celebrities. He was also a prominent curator, organizing the hugely influential “Family of Man” exhibition in 1955.’

https://www.britannica.com/biography/Edward-Steichen

‘Clarence H. White (born April 8, 1871, West Carlisle, Ohio, U.S. – died July 8, 1925, Mexico City, Mex.), was a American photographer known for subtle portraits of women and children and also as an influential teacher of photography.’

https://www.britannica.com/biography/Clarence-H-White

‘Lady Hawarden was born Clementina Elphinstone Fleeming on 1 June 1822. One of five children, she grew up on the family estate, Cumbernauld, near Glasgow. Her father, Admiral Charles Elphinstone Fleeming, was well known for his part in the Venezuelan and Colombian wars of liberation (about 1811-25). Little is known about her mother, Catalina Paulina Alessandro from Cadiz, an ‘exotic beauty’ 26 years younger than her husband…’

https://www.vam.ac.uk/content/articles/l/lady-clementina-hawarden/