Thermo Electron

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Thermo Electron Corporation
SuccessorThermo Fisher Scientific
HeadquartersWaltham, Massachusetts
ProductsAnalytical 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 co-founded in 1956 by George N. Hatsopoulos, an MIT PhD in mechanical engineering, and Peter M. Nomikos, a Harvard Business School graduate.[1]

After graduating from Northeastern University in 1959 John Hatsopoulos[2] (brother of George) joined the company as CFO. Arvin Smith joined the company in 1970, and was President from January 1998.[3]

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.[4] However, the Federal Trade Commission ruled that this acquisition was anticompetitive with regard to centrifugal evaporators, requiring Fisher to divest Genevac.[5] In April 2007, Genevac was sold to Riverlake Partners LLC[6] and the merger closed with FTC approval.[7]


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


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