William E. Leffingwell

William E. Leffingwell was an influential American engineer and management expert known for pioneering work in industrial engineering and manufacturing. He contributed to improving factory efficiency, streamlining production processes, and emphasizing the importance of systematic management techniques. Leffingwell authored key texts on industrial engineering, helping organizations optimize workflows and reduce waste. His work laid the groundwork for modern manufacturing practices and quality control, making production more effective and competitive. Overall, he played a significant role in advancing the principles of efficient industrial operations during the early 20th century.