Khan stole centrifuge designs from his employer in the 1970s and used them to develop Pakistan’s nuclear program. He later passed them on to other countries.

Not long ago, Abdul Qadeer Khan used to walk into a wooded park across the street from his mansion in Pakistan’s capital city and feed the monkeys who lived there. That was when he was a national hero and a multimillionaire, owner of a fleet of vintage cars and properties…

It was Khan who initiated Pakistan’s crucial breakthrough when he stealed centrifuged plans from Urenco, which indisputably formed the basis of Pakistan’s nuclear success.

Dapper Pakistani scientist Abdul Qadeer Khan was always a man with a mission–even if it was long shrouded in obscurity. Some 30 years ago, he allegedly stole blueprints for enriching uranium from the top-secret Dutch lab where he worked. For decades, his team in Pakistan labored behind heavily guarded…

In November 1984, a Dutch court sentenced him in absentia to four years in prison for espionage. Khan had copied the plans of the centrifuge process and sent them back to Pakistan.

It is called a research center, but the Pakistan Institute of Nuclear Research looks more like a fortress. Layers of barbed wire surround the sprawling complex in the dusty hills at Kahuta, 20 miles southeast of Pakistan’s capital, Islamabad. Much of the facility is buried beneath the earth, a precaution…

Abdul Qadar Khan, who worked for top-secret gas centrifuge factory at Almelo, where enriched uranium is produced, managed to carry home critical information to his Native Pakistan.

How another country is joining the nuclear club

He was a brilliant and charming man, a linguist who was liked by his colleagues and suburban Amsterdam neighbors. To be sure, Abdul Qadar Khan did seem a bit inquisitive to his fellow scientists at The Netherlands’ top-secret gas centrifuge factory at…