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Søren Hjorth

Danish engineer (1801–1870)

Correspondence, annotated notebooks and portrait silhouettes prepared for research
People and ideasInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionNov 2, 2025
Entity authorityQ723875 ↗
Source-derived summary

Søren Hjorth (13 October 1801, in Vesterbygaard at Kalundborg in the west of Zealand (Denmark) – 28 August 1870, in Copenhagen) was a Danish railway pioneer and inventor. Before Werner von Siemens, he discovered the dynamo-electric principle in 1854 and received the first patent for a self-excited dynamo.

Editorial summary

Begin with the source’s own compact description: “Søren Hjorth” is danish engineer (1801–1870). The dossier treats that line as a proposition to test through Søren, Hjorth and Danish, not as a finished interpretation.

Editorial reviewA productive starting point for separating a subject’s documented career from later reputation and commemoration. The current lead gives the account dated anchors—1801, 1870, 1854—that can be checked directly. The linked authority record independently contributes the date 1801-10-13. For this dossier, Søren, Hjorth and Danish is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “danish engineer (1801–1870)” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Chronology provides the most reliable spine for this subject; interpretation should follow only after identities and dates are secure. The source revision retrieved here is dated Nov 2, 2025. The linked authority identifier is Q723875. VIAF identifies the subject as 25500017. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1801, 1870 and 1854.

Critical limits

A concise life account rarely captures disputed attribution, private networks or the changing language used to describe a career. 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

Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.

Best used for
  • Establishing names and roles
  • Building a first chronology
  • Locating cited institutions
Verify next

Personal papers, civil or court records, institutional files and the scholarship cited by the source.

Three-step research path

  1. Establish the record: confirm the title “Søren Hjorth”, its source revision and the description used here.
  2. Expand the search: follow Søren Hjorth primary sources, Søren Hjorth archive and Søren 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 “Søren Hjorth”?
  2. Which claims depend on a single source or contested interpretation?
  3. Which primary records establish identity, chronology and institutional ties?
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Source & attribution

This entry incorporates text from “Søren Hjorth” 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.