Per Henrik Ling was a Swedish physician and physical educator, born on November 15, 1776. He is best known for founding the field of medical gymnastics, which emphasizes physical rehabilitation and exercise. Ling developed a system of movements designed to improve health and physical performance, laying the groundwork for modern physical therapy. Ling's contributions extended beyond gymnastics; he also played a significant role in the establishment of Swedish massage. His techniques focused on the manipulation of muscles and soft tissues to promote healing and relaxation. Ling's work has had a lasting impact on both physical education and rehabilitation practices worldwide.