Frank B. Gilbreth Jr. was born in 1911 in Plainfield, New Jersey, and graduated from the University of Michigan. He became a lieutenant commander in the U.S. Navy during World War II and received a Bronze Star and Air Medal. In 1947, he joined the staff of what is now the Post and Courier in Charleston, South Carolina. A columnist and reporter, he authored and coauthored several books, including Belles on Their Toes (with Ernestine Gilbreth Carey), How to Be a Father, and Time Out for Happiness. In 1950, he was corecipient (with his sister) of the French International Humor Award for Cheaper by the Dozen. He died in 2001. Ernestine Gilbreth Carey was born in 1908 in New York City and graduated as an English major from Smith College. In 1930, soon after graduation, she began fourteen years of New York City department store buying and management. Meanwhile, she married and had two children. A writer and lecturer, she has authored and coauthored seven books, including Belles on Their Toes (with Frank Gilbreth Jr.), Jumping jupiter, Rings Around Us, and Giddy Moment. In 1950 she was corecipient (with her brother) of the French International Humor Award for Cheaper by the Dozen. She lives in Reedley, California.