President of Mattel Inc. She was best remembered for her part in the creation of the Barbie brand.
She started Mattel with her husband, using manufacturing scraps to produce dollhouses. Her first bestseller was the Uke-a-doodle toy ukelele.
She was dissatisfied with the breast prosthesis she received after undergoing a radical mastectomy, so she founded Ruthton Corp. to manufacture more realistic women's breasts called Nearly Me.
She was married to Elliot Handler from 1938 until her death in 2002, and her kids were named Kenneth and Barbara Handler. She was inspired to name Barbie after her daughter Barbara.
Her famous creation Barbie was voiced by Jodi Benson in Toy Story 2 in 1999.