The answer is lillian gilbreth in which attending the dinneris known for her contribution to scientific management. She combined the perspectives of an engineer, a psychologist, a wife and a mother in which she helped industrial engineers see the significance of the psychological dimensions of work. She developed as a first american engineer ever to create a synthesis of psychology and scientific management. She applied the principles of scientific management to household everyday jobs and desired to deliver women with a littler and at ease methods to do the household work in which permitting them to search for paid service outside the home.