According to President George W. Bush, "father of Pakistan's nuclear weapons program" and "director...leading scientific mind...[and] primary salesman" of "an extensive international network for the proliferation of nuclear technology and know-how"; through smuggling network sold blueprints for centrifuges, a nuclear bomb design and uranium hexafluoride; provided centrifuge designs and components, and, in some cases, complete centrifuges to Iran, Libya and North Korea; used a factory in Malaysia to manufacture key parts for centrifuges and had operatives in Europe, the Middle East and Africa; his deputy and the network's chief financial officer, B.S.A. Tahir, ran SMB Computers, a front company in Dubai used as a cover for the shipment of centrifuge parts to various clients; head of Pakistan's uranium enrichment program at the Khan Research Laboratories (KRL) from 1976 to 2001 until removed from the post by President Musharraf; admitted sharing Pakistani nuclear technology with other countries on Pakistani national television in February 2004; received a conditional amnesty from the Pakistani government in February 2004; convicted in absentia and sentenced to a four year prison sentence in November 1983 by a Dutch court for attempting to obtain classified uranium enrichment information while working for the Amsterdam-based Dynamics Physics Research Center between 1972 and 1976, a firm that was involved in the research and development of the URENCO uranium enrichment facility at Almelo in the Netherlands; the sentence was annulled on a legal technicality; reportedly 66 years old.