Dr. William Garner Sutherland, a key figure in osteopathic medicine, significantly advanced the field through his development of cranial osteopathy, which has evolved into what is now termed osteopathic cranial manipulative medicine (OCMM). Born in rural Wisconsin in 1873, Sutherland was deeply influenced by Dr. Andrew Taylor Still, MD, DO, the founder of osteopathy, during his studies. Inspired by Still's emphasis on the body's natural healing abilities, Sutherland proposed that the cranial bones are capable of subtle movements essential for health, a theory he detailed in his seminal work,