Johann Christoph Friedrich GutsMuths, also called Guts Muth or Gutsmuths (9 August 1759 – 21 May 1839), was a teacher and educator in Germany, and is especially known for his role in the development of physical education. He is thought of as the "grandfather of gymnastics" – the "father" being Friedrich Ludwig Jahn. GutsMuths introduced systematic physical exercise into the school curriculum, and he developed the basic principles of artistic gymnastics.