danismm:

The IBM 7030, also known as Stretch, was IBM’s first transistorized supercomputer. Originally designed to meet a requirement formulated by Edward Teller at Lawrence Livermore, the first example was delivered to Los Alamos National Laboratory in 1961, and a second customized version, the IBM 7950 Harvest, to the National Security Agency in 1962.
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danismm:

The IBM 7030, also known as Stretch, was IBM’s first transistorized supercomputer. Originally designed to meet a requirement formulated by Edward Teller at Lawrence Livermore, the first example was delivered to Los Alamos National Laboratory in 1961, and a second customized version, the IBM 7950 Harvest, to the National Security Agency in 1962.