Maria Montessori (1870-1952) was an Italian physician and educator who developed the child-centered Montessori method, emphasizing self-directed learning and hands-on experiences in a prepared environment. Her educational philosophy focuses on the innate potential of each child, promoting independence, intrinsic motivation, and holistic development through personalized learning. The Montessori method involves careful observation by teachers to tailor guidance and foster children's natural curiosity and critical thinking skills, making it effective primarily for early childhood education.