Valentin Wolfenstein (19 April 1845 – 3 February 1909) was a Swedish-American photographer who worked both in Stockholm and Los Angeles, California.

[2] A particular skill he developed was taking "look-alike pictures", a double exposure technique that combined images of the same person in two different poses, for example, sitting and standing.

[3] He emigrated to the United States during the American Civil War and enlisted[clarification needed] in New York City on 31 January 1865.

[3] When he failed at some Los Angeles side businesses in the 1880s, he sought new surroundings and went to Guatemala and Mexico where he ran photographic studios.

[9][11] Wolfenstein continued to call the studio of 30 employees by its original name "Atelier Jaeger", because of its already established reputation as the official court photographer.