Frank Bunker Gilbreth Jr.

Frank Bunker Gilbreth Jr. (March 17, 1911 – February 18, 2001) was an American journalist and author. He was born in Plainfield, New Jersey. He co-authored, with his sister Ernestine, the autobiographical bestsellers "Cheaper by the Dozen" and "Belles on Their Toes".
Gilbreth died on February 18, 2001, aged 89, in Charleston, South Carolina.