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 the mother in the book Cheaper by the Dozen, written by two of her twelve children.
Lillian Gilbreth was was born in Oakland, California on May 24, 1878, and was one of the first working female engineers holding a PhD.
She served as an advisor to President Roosevelt on matters of civil defense and war production.
