Józefa Joteyko (1866–1928) was a Polish neuroscientist, psychologist, and educator known for her groundbreaking research on physiology, fatigue, and pedagogy. A pioneer in her field, she studied in Paris and lectured in Belgium, making significant contributions to understanding the human mind and body. Joteyko was also standing for women’s education and equal access to learning, influencing modern teaching methods and child psychology. Her interdisciplinary work bridged science and social reform, leaving a lasting legacy in both education and medicine.