Who invented the band-aids?
It was invented in 1920s by Johnson & Johnson employer Earle Dickson.
Why did he invented it?
He invented it for his wife because while he was cooking he use to get cuts and burns all the time so he cuts a large piece of bandages and made it into small pieces of a gauze on surgical tape.
The bandage was less cumbersome and easier to handle he took the idea to the Johnson brothers who realized the market potential of the product.
By 1924 they made smaller band-aid and they were introduced in a new package.
What happen to Earle Dickson??
Before he invented the band aid he was just an employer but after his invention he became the vice President of Johnson & Johnson in 1957.