Friedrich Laibach
German botanist (1885-1967)

Friedrich Joseph Laibach (April 2, 1885 – 5 June 1967) was a German botanist from Limburg-Weilburg.
Life and work
Laibach was promoted in 1907 at the University of Bonn (with Eduard Strasburger). In 1919 he qualified as a professor at the University of Frankfurt (botany). After becoming a member of the National Socialists and his accession to the Nazi Party (National Socialist German Workers' Party (German: Nationalsozialistische Deutsche Arbeiterpartei, abbreviated NSDAP), he was ordained as director of the Botanical Institute at the Goethe University in Frankfurt from 1934 to 1945. From 1934 to 1936, he also took up university lectures at the University of Frankfurt. In 1945 he was released for political reasons. After the end of the Second World War he was head of the biological research institute Limburg from 1946. Laibach is the founder of experimental Arabidopsis research; the thale cress (Arabidopsis thaliana) is a perennial weed which Laibach investigated in his doctoral thesis on the chromosome sets of plants.
Begin with the source’s own compact description: “Friedrich Laibach” is german botanist (1885-1967). The dossier treats that line as a proposition to test through Friedrich, Laibach and German, not as a finished interpretation.
Why this record matters
The phrase “german botanist (1885-1967)” 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.
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 4, 2026. The linked authority identifier is Q96934. VIAF identifies the subject as 27855961. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1885, 1967, 1907 and 1919.
A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. 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.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Friedrich Laibach”, its source revision and the description used here.
- Expand the search: follow Friedrich Laibach primary sources, Friedrich Laibach archive and Friedrich research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Friedrich Laibach”?
- Which cited source is closest to the event, object or claim?
- What terminology or title could unlock a more precise catalogue search?
Search terms from this dossier
This entry incorporates text from “Friedrich Laibach” 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.