In the late 1940s, an American marketing executive Edward Gelsthorpe wanted to develop a new way of applying underarm deodorant. He was drawn to study the newly invented ballpoint pen that 'rolled' ink onto paper
Improve the applicability of underarm deodorant
Non-liquid underarm deodorant was not easy to apply
The applicability of underarm deodorant was transformed through adding a revolving ball to a deodorant dispenser The deodorant was then easily applied because the roll-on ball mechanism facilitated its dispersal under the arm
Due to the insight of Edward Gelsthorpe, the roll-on deodorant was born
Breeding Comment
Edward Gelsthorpe associated more broadly from the capability of a ballpoint pen to roll ink onto a surface and, in so doing, was able to breed a dispenser containing a ball that had the capability to roll deodorant onto human skin