Ida Rolf was an American biochemist and the founder of Rolfing, a form of bodywork that focuses on aligning the body and improving posture. Born in 1896, she developed her techniques in the mid-20th century, emphasizing the importance of the body's structure in overall health and well-being. Rolfing involves deep tissue manipulation and movement education, aiming to release tension and improve physical function. Ida Rolf's work has influenced various fields, including physical therapy and alternative medicine, and her methods continue to be practiced and taught worldwide.