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Steve Kirsch

American businessman

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 31, 2026
Entity authorityQ2347079
Source-derived summary

Steven Todd Kirsch (born 1956 in Los Angeles) is an American entrepreneur. He has started several companies and was one of two independent inventors of the optical mouse. Kirsch has been both a philanthropic supporter of medical research, and a promoter of misinformation about COVID-19 vaccines.

Education

Kirsch received a Bachelor of Science and a Master of Science in electrical engineering and computer science from the Massachusetts Institute of Technology in 1980.

Career

In 1980, Kirsch and Richard F. Lyon independently invented the first versions of the optical mouse. Kirsch has started several companies. In 1993, he founded the search engine Infoseek, which in 1999 was sold to the Walt Disney Co. He co-founded Frame Technology Corp., bought by Adobe in 1995. In 2002 he was CEO of Propel Software.

In 2005 he founded Abaca, which made a spam filter.

Editorial summary

This brief starts where responsible research should: with the source description of “Steve Kirsch” as american businessman. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—1956, 1980, 1993, 1999—that can be checked directly. The linked authority record independently contributes the date 1956-12-24. The account is most persuasive where Steve, Kirsch and American can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the general reference register because the source frames it as american businessman. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Aug 31, 2026. The linked authority identifier is Q2347079. 2 of 3 selected statements include explicit references; 2 carry qualifiers and 0 use preferred rank. The first chronological checks are 1956, 1980, 1993 and 1999.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Steve Kirsch”, its source revision and the description used here.
  2. Expand the search: follow Steve Kirsch primary sources, Steve Kirsch archive and Steve research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Steve Kirsch”?
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Source & attribution

This entry incorporates text from Steve Kirsch” 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.