D.D. Palmer, born in 1895, was a Canadian-American practitioner known for founding chiropractic. He developed the first chiropractic adjustment in 1895, which he claimed could cure various ailments by correcting spinal misalignments. His work laid the foundation for the chiropractic profession, emphasizing the relationship between the spine and overall health. Palmer established the first chiropractic school, the Palmer School of Chiropractic, in Davenport, Iowa, in 1897. His teachings and techniques attracted many followers, leading to the growth of chiropractic as a recognized health care discipline. Today, chiropractic is widely practiced and focuses on spinal health and its impact on the nervous system.