The founder of Methodism, John Wesley, was a great believer of the treatment, which became so popular, that he eventually opened three clinics dedicated to it.
Leiden | Leiden University | Wall poems in Leiden | Pieterskerk, Leiden | John of Leiden | Wireless Leiden | Stedelijk Gymnasium Leiden | Leiden Observatory | Eielson's poem ''Misterio'' on a house wall in Leiden | Ehrenfest's students, Leiden 1924. Left to right: Gerhard Heinrich Dieke | Burcht van Leiden |