Thermo Electron

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Thermo Electron Corporation
Fate Merged
Successor Thermo Fisher Scientific
Founded 1956
Defunct 2006
Headquarters Waltham, Massachusetts
Products Analytical and scientific products and services
Number of employees

Thermo Electron Corporation (NYSE: TMO) (incorporated 1956) was a major provider of analytical instruments and services for a variety of domains. It was built by George Hatsopoulos, John Hatsopoulos, and Arvin Smith.[1]

In 2011, Thermo Fisher Scientific, its successor, had revenues of over $11 billion, and employed 37,000 people.

On May 14, 2006, Thermo and Fisher Scientific announced that they would merge in a tax-free, stock-for-stock exchange. The merged company became Thermo Fisher Scientific. On November 9, 2006, the companies announced that the merger had been completed.[2] However, the Federal Trade Commission ruled that this acquisition was anticompetitive with regard to centrifugal evaporators, requiring Fisher to divest Genevac.[3] In April 2007, Genevac was sold to Riverlake Partners LLC[4] and the merger closed with FTC approval.[5]


  • Zetatron, a high-voltage vacuum tube device that generates a stream of neutrons

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