Dr. Lillian Gilbreth invented the pedal trash and the electric mixer.
She was a pioneering efficiency expert and, incidentally, was also the mother in the book Cheaper by the Dozen, written by two of her 12 children.

Related Posts
-
Who Invented the Electric Food Mixer and Where Did Lillian Moller Gilbreth Come From? Dr. Lillian Moller Gilbreth, who also invented the now common kitchen trash can with a step-on opening lid, invented the electric food mixer. She was a pioneering efficiency expert and incidentally was also…
-
Where does the word “electric” come from and What does electric mean in Latin? We may sometimes think that the word electric and its derivatives are of recent coinage, perhaps no older than Ben Franklin's experiments with his kite and lightning, but they are much older. They…
-
Where do electric eels come from and How does an electric eel generate electricity? In the warm, murky waters of the Amazon and Orinoco Rivers of South America lives a sluggish fish with a shocking capability. The electric eel can emit an electrical discharge of 550 volts.…
-
Who invented “electric eye” elevator doors that open if you walk through them when they close? Two of the "fathers of the atomic bomb," Albert Einstein and Max Planck, are also responsible for the development of elevator doors that reopen automatically if they start to close as a person…
-
How did the Electric eel get its Name and Where does it Come From? The electric eel is the only species of its kind that can generate powerful electric shocks for self-defense and hunting prey. Electric eels live in the fresh waters of the Amazon and Orinoco…
-
Who Discovered Electromagnetism and How does an electric current create a magnetic field? Before 1820, the only known magnetism was the naturally occurring magnetism of iron magnets and of lodestones, small, weak direction finders. Yet the modern world of electric motors and electric generating power plants…