Markus Klingberg
Marcus Klingberg, IIBR's deputy director, was arrested in 1983 and convicted of espionage for the Soviet Union. His arrest and sentencing was kept a secret for over a decade. Klingberg was released to house arrest for medical reasons in 1998 (and completely in 2003), but remains silent about his career or treason according to an agreement he signed before being released.
Read more about this topic: Israel Institute For Biological Research