The Institute of Physics (IOP) was founded in 1873 and began publishing academic journals in 1874. The British Physical Society Press is the world's leading science and technology publisher specializing in physics and related disciplines. It is an important part of the British Physical Society. IOP publishes the following journals of world-renowned academic associations: British Physical Society, Chinese Physical Society, European Physical Society, German Physical Society, European Optical Society, International Bureau of Weights, London Mathematical Society, International Atomic Energy Agency, Royal Swedish Academy of Sciences, Radiation Protection Society Institute of Medicine, Physics and Engineering, Institute of Plasma Science, Chinese Academy of Sciences and Chinese Society of Mechanics, Trieste International Graduate School of Trieste, Nanjing Institute of Petroleum Geophysics, International Respiratory Research Association, and International Respiratory Odor Research Society.