Donald Schön was an influential American philosopher and educator, best known for his work in the fields of organizational learning and reflective practice. He emphasized the importance of reflection in professional practice, arguing that individuals can improve their skills and decision-making by critically analyzing their experiences. Schön's notable works include "The Reflective Practitioner" and "Educating the Reflective Practitioner," where he introduced concepts like "reflection-in-action" and "reflection-on-action." His ideas have significantly impacted various fields, including education, management, and design, encouraging professionals to engage in continuous learning and adaptation.