Cut and paste.
B&W, Photographer Unidentified, Female study, Paris 1925
Banksy vs advertising
I feel bad working in advertising. (And I’d credit the original poster, if I had come across it via their tumblr. Sorry.)
Marilyn Monroe photographed by André De Dienes in 1953
“Thinking of You” by Gil Elvgren, 1962
Robert Auer, Allegory of medical science, 1914