"Gerald J. Popek"@en . . . "1946-09-22Z"^^ . "Gerald John \"Jerry\" Popek (September 22, 1946 \u2013 July 20, 2008) was an American computer scientist, known for his research on operating systems and virtualization.With Robert P. Goldberg he proposed the Popek and Goldberg virtualization requirements, a set of conditions necessary for a computer architecture to support system virtualization."@en . . "2008-07-20Z"^^ . . "1947Z"^^ . "2008Z"^^ . . . . "Popek, Gerald J."@en . "Computer Science" . .