This work brings to light Dr Riazuddin’s contributions to physics and the sciences in Pakistan. He was an eminent and prominent physicist, a student of Abdus Salam, specializing in High Energy and Nuclear Physics. He is considered to be one of the pioneers of Pakistan’s nuclear weapons and atomic deterrence development programmes. The book also provides insight into the development of institutions of higher learning and research, as well as the building of infrastructure for science and technology in Pakistan.