Varian Medical Systems
American healthcare company
Varian Medical Systems is an American radiation oncology treatments and software maker based in Palo Alto, California. Their medical devices include linear accelerators (LINACs) and software for treating cancer and other medical conditions with radiotherapy, radiosurgery, proton therapy, and brachytherapy. The company supplies software for managing cancer clinics, radiotherapy centers, and medical oncology practices. Varian Medical Systems employs more than 7,100 people at manufacturing sites in North America, Europe, and China and approximately 70 sites globally.
In August 2020, Siemens Healthineers announced plans to acquire Varian for $16.4 billion. The deal was completed in April 2021. After the merger Varian continues to operate independently; it retained its headquarters and employees.
History
Varian was founded in 1948 as Varian Associates by Russell H. Varian, Sigurd F. Varian, William Webster Hansen, and Edward Ginzton to sell the Klystron, the first tube which could generate electromagnetic waves at microwave frequencies, and other electromagnetic equipment.
By 1999, Varian Associates had branched into semiconductor, vacuum tube, and medical device fields. On April 2, 1999, these divisions split to become Varian Semiconductor, Varian, Inc., and Varian Medical Systems.
Begin with the source’s own compact description: “Varian Medical Systems” is american healthcare company. The dossier treats that line as a proposition to test through Varian, Medical and Systems, not as a finished interpretation.
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Contemporary correspondence, administrative files and participant testimony can test how later narratives organized the event or institution. The source revision retrieved here is dated Jul 19, 2026. The linked authority identifier is Q4993917. VIAF identifies the subject as 3342150382205713500003. The Library of Congress control number is nb2017017194. 2 of 4 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2020, 2021, 1948 and 1999.
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This entry incorporates text from “Varian Medical Systems” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.