[2] Schelle was born in Piqua, Ohio and moved to New York as an adult, where by the middle of the 1920s, she had become owner and manager of the Penny Walker Toy Shop in Binghamton.
Alongside businessman Herman Fisher and Price's wife, Illustrator Margaret Evans Price, the Fisher-Price Company was formally established later that year in East Aurora, New York.
[6] Many of the company's early toys were the result of a collaboration between Schelle and Margaret Price, who together worked on their designs.
[2] Schelle retired from Fisher-Price in 1957 and moved from New York back to her hometown of Piqua, Ohio.
[4] She died there on April 12, 1984, at the age of 91[4] and is buried at the Forest Hill Union Cemetery.