Friedrich Tinner
Friedrich Tinner, also known as Fred Tinner or Fred Tinner-Göldi (18 November 1936 – 3 May 2021) was a Swiss nuclear engineer and a long-associated friend of Abdul Qadeer Khan—Pakistan's former top scientist—and connected with the Khan nuclear network trafficking in the proliferation of nuclear materials and gas centrifuge designs to Iran, Libya, and North Korea. In 2006, Tinner was revealed by the IAEA's investigators as the foreign director and technical head of the Libyan nuclear program.