A stall at a carnival in Ohio, 1938. "Come in and have your head read. She will tell you what you want to know about love" and marriage.
Originally developed by a physician in the late 1700s, phrenology was taken seriously by medical personnel in the 1800s. It was believed that an individual's personality could be understood by examining the exterior of his or her skull.
Photo by Ben Shahn. [American Memory link]