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Mark Klein

Biography

Mark Lee Klein (May 2, 1945 – March 8, 2025) was an American AT&T technician and whistleblower who revealed details of the company's cooperation with the United States National Security Agency in installing network hardware at a site known as Room 641A to monitor, capture and process American telecommunications. The subsequent media coverage became a major story in May 2006.

Bio from Wikipedia

Credited work

24 releases · 9 albums · active 1986–2025

  • Other credits · 24
  • Mastering · 7
  • Performance · 3
  • Production · 1

Studios: Hörbar, Hamburg · MS Stubnitz

Frequent collaborators

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