Private company

Varian Associates

Logo: Varian Associates, Public domain, via Wikimedia Commons3

Californian company

Varian Associates was one of the first high-tech companies in Silicon Valley. It was founded in 1948 by Russell H. and Sigurd F. Varian, William Webster Hansen, and Edward Ginzton to sell the klystron, the first vacuum tube which could amplify electromagnetic waves at microwave frequencies, and other electromagnetic equipment.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1948Founded1
  • HeadquartersCalifornia1

Varian Associates was one of the first high-tech companies in Silicon Valley. It was founded in 1948 by Russell H. and Sigurd F. Varian, William Webster Hansen, and Edward Ginzton to sell the klystron, the first vacuum tube which could amplify electromagnetic waves at microwave frequencies, and other electromagnetic equipment.2

Timeline

  1. 1948Founded Founded1

Sources

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