The history of the ‘pinup girl’ is fascinating, with a brief outline dating pinups back to the 19th century, reproduced below courtesy of Wikipedia.
A pin-up girl or pin-up model is a model whose mass-produced pictures see wide appeal as pop culture. Pin-ups are intended for informal display. Pin-up girls are often glamour models, fashion models, celebrities, and actresses.
The term was first attested to in English in 1941; however the practice is documented as dating at least to the 1890s.
Many pin ups were photographs of celebrities who were considered sex symbols. One of the most popular early pin-up girls was Betty Grable. Her poster was ubiquitous in the lockers of G.I.s during World War II.
The genre also gave rise to several well-known artists specializing in the field, including Alberto Vargas . (Source Wikipedia)
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