Geraldine Hoff Doyle was a 17 year old in 1942 while she was working at the American Broach & Machine Co. when a photographer snapped a pic of her on the job. Howard Miller for the “We Can Do It!” poster released during World War II.
In World War posters were used to help to keep the country motivated and believing in the great war. WWII propaganda posters were also a big part of disseminating the governments message. Rosie the Riveter may be one of the most famous examples.