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the claim
Hedy Lamarr and George Antheil invented frequency-hopping spread spectrum communication
the verdict
SUPPORTED
the evidence backs this
refutedsupported
the weight of evidence
4 sources for · 0 against

Multiple reference works and historical sources confirm that Hedy Lamarr and composer George Antheil co-invented a secret communication system utilizing frequency-hopping spread spectrum technology during World War II.

Evidence for · 4
Wikipedia: Hedy Lamarr
cited by 0
Reference article covering this claim directly
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How claims like this are judged

Judged against reference works: claims of this kind are settled by the historical reference record, not journal abstracts.

More for · 3
Book: Signals and Systems using MATLAB
2010 · cited by 0
Notes Lamarr and Antheil received a U.S. patent for a secret communications system using frequency hopping.
OpenAIRE: Five Songs
1998 · cited by 0
Mentions George Antheil in cooperation with Hedy Lamarr invented a new type of torpedo guidance.
OpenAIRE: Hedy's Folly [Book Review]
2014 · cited by 0
States Lamarr and Antheil invented and patented a guidance system for an anti-ship torpedo.
Everything we examined (14) — 12 independent sources
This check searched the claim as stated. It did not run a separate search for evidence against it.
  1. Wikipedia: Hedy Lamarrreferencesame source L1supports
  2. Wikipedia: George Antheilreferencesame source L1no side takennot shown: read and judged not to bear on this claim
  3. Book: Signals and Systems using MATLABreferencesupports
  4. Book: Information Sciencereferencesupports
  5. Book: Women in the National Inventors Hall of Famereferencesupportsnot shown: a book whose author and subject did not establish authority here
  6. Book: Digital Watermarkingreferenceno side takennot shown: read and judged not to bear on this claim
  7. Book: The Handbook of Computer Networks, LANs, MANs, WANs, the Internet, and Global, Cellular, and Wireless Networksreferencesupportsnot shown: beyond the two books we show per side
  8. Book: A User's Guide to Engineeringreferencesupportsnot shown: beyond the two books we show per side
  9. Book: Intellectual Property Law for Engineers and Scientistsreferencesupportsnot shown: beyond the two books we show per side
  10. Book: The Handbook of Computer Networks, Key Concepts, Data Transmission, and Digital and Optical Networksreferenceno side takennot shown: read and judged not to bear on this claim
  11. OpenAIRE: Five Songspeer-reviewedsupports
  12. OpenAIRE: Hedy's Folly [Book Review]peer-reviewedsupports
  13. community council commentator ([jacksonville, fla.]) 1943-1945: community council commentator ([jacksonville, fla.]) 1943-1945referencesame source L12no side takennot shown: read and judged not to bear on this claim
  14. the tacoma times (tacoma, wash.) 1903-1949: the tacoma times (tacoma, wash.) 1903-1949referencesame source L12no side takennot shown: read and judged not to bear on this claim
The paper trail · every fact has a biography
first checked06 Aug 2026
judged → SUPPORTED · 7506 Aug 2026
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