of Least Waste in 1914. After the Gilbreths relocated their family to Providence, Rhode Island, Lillian enrolled at Brown University. She earned a Ph.D. in applied psychology in 1915, which made her the first of the pioneers of industrial management to have a doctorate. The topic of her dissertation was efficient teaching methods and titled Some Aspects of Eliminating Waste in Teaching. Marriage and family Lillian Moller met Frank Bunker Gilbreth in June 1903 in Boston, Massachusetts, en route to Europe with her chaperone, who was Frank's cousin. He had apprenticed in several building trades in the East and established a contracting business with offices in Boston, New York, and London. The couple married on October 19, 1904, in Oakland, California, and settled in New York. They later moved to Providence, Rhode Island, and eventually relocated their family to Montclair, New Jersey. As planned, the Gilbreths became the parents of a large family that included twelve children. One died young in 1912; one was still-born in 1915; and eleven of them lived to adulthood, including Ernestine Gilbreth, Frank Bunker Gilbreth Jr., and Robert Moller Gilbreth. After Frank died of a heart attack on June 14, 1924, Lillian never remarried. Career For more than forty years, Gilbreth's career combined psychology with the study of scientific management and engineering. She also included her perspectives as a wife and mother in her research, writing, and consulting work. Gilbreth became a pioneer in what is now known as industrial and organizational psychology. She helped industrial engineers recognize the importance of the psychological dimensions of work. In addition, she became the first American engineer ever to create a synthesis of psychology and scientific management. (Gilbreth introduced the concept of using psychology to study management at the Dartmouth College Conference on Scientific Management in 1911). In addition to jointly running Gilbreth, Incorporated, their business and engineering consulting firm, Lillian and Frank wrote numerous publications as sole authors, as well as co-authoring multiple books and more than fifty papers on a variety of scientific topics. However, in their joint publications, Lillian was not always named as a co-author, possibly due to publishers' concerns about naming a female writer. Although her credentials included a doctorate in psychology, she was less frequently credited in their joint publications than her husband, who did not attend college. The Gilbreths were certain that the revolutionary ideas of Frederick Winslow Taylor would be