What did Marion Donovan use to create the prototype for the disposable diaper?
Marion Donovan, a young mother during the baby boom era, was unhappy with messy cloth diapers that needed to be laundered, so she used a shower curtain to create the “Boater,” a plastic covering for cloth diapers. A year later, she added a disposable absorbent material to the Boater design to create the first disposable diaper. Donovan received a negative response from manufacturers, who thought her invention would be too expensive to produce, so she went into business for herself. For related invention trivia about the disposable diaper, visit the Marion Donovan page from “Famous Women Inventors.” Who invented earmuffs? Chester Greenwood invented earmuffs when he was just 15 years old. As he was ice skating, he wrapped his head in a scarf to protect his ears from the cold, but found this method too bulky and itchy. To solve the problem, Greenwood constructed two ear-shaped loops from wire and asked his grandmother to sew fur on them. He later patented an improved version, “Greenwood’s