Lillian Gilbreth, a pioneer in industrial-organizational psychology, viewed "better" as work that fit the worker, contrasting with her husband Frank's focus on speed. While Frank timed movements, Lillian observed the human element, considering worker well-being. Their partnership created durable systems, blending efficiency with satisfaction. After Frank's death, Lillian expanded her work beyond manufacturing into hospitals, kitchens, and schools, using film to analyze and improve processes. Her innovations include refrigerator door shelves and the foot pedal trash can. She applied her human-centered approach to redesign everyday life, influencing fields like human factors before it was recognized. Her legacy emphasizes the importance of context and intent in optimizing work, a principle relevant to modern AI development. Lillian's approach ensures that tasks are not just faster but also sustainable and humane for the people performing them.