`` Rosie the Riveter '' appeared on the cover of the May 29 , 1943 Evening Post on Saturday . Mary Doyle Keefe was a 19-year-old telephone operator at the time .
`` Rosie the Riveter '' appeared on the cover of the Saturday Evening Post on May 29 , 1943 . Mary Doyle Keefe was a 19-year-old telephone operator at the time .