How old was Chester Greenwood when he devised the idea for the earmuff?
Answer
15 years old
Chester Greenwood was only 15 years old when the idea for his invention struck him while he was ice skating.

#Videos
Ear Muffs: Where did they come from? | Stuff of Genius - YouTube
The history of how earmuffs were invented by a Maine teenager
Related Questions
How old was Chester Greenwood when he devised the idea for the earmuff?In what year did Chester Greenwood come up with the concept for earmuffs?What activity was Chester Greenwood engaged in when his ears became uncomfortably chilled?What was the primary failure of the scarf that prompted Greenwood to seek a more engineered solution?What material was used to cover the wire frame components of the very first earmuff prototype?What was the initial product name when Greenwood transitioned his invention into manufacturing?What local connection to the invention remains a significant tradition in Greenwood's hometown?On what specific date is Chester Greenwood Day observed?The date chosen for Chester Greenwood Day coincides with what astronomical event?Beyond invention, what significant entrepreneurial step did Greenwood successfully take with his earmuffs?