Karl Lachmann

Karl Lachmann (1793–1851) was a German philologist who advanced historical linguistics and systematic textual criticism, especially through methods for editing classical and medieval works.

Lachmann method: A method of reconstructing a text’s transmission history from shared errors in surviving manuscripts. The method most closely associated with Lachmann’s approach to establishing edited texts.
Philology: The historical study of language and literature through written sources. This broader discipline encompassed Lachmann’s linguistic, literary, and editorial work.
Jacob Grimm: A German philologist and folklorist known for work on Germanic languages and traditional tales. Grimm and Lachmann helped establish historical German philology in the same scholarly generation.
Bédier’s method: A text-editing approach that favors a single reliable manuscript rather than reconstructing an archetype from a stemma. Joseph Bédier challenged the assumption that stemmatic analysis can reliably recover a lost original.
Textual criticism: The study of textual variants and transmission used to establish or interpret a text. Lachmann helped make its systematic, evidence-based practice central to philology.
Historical linguistics: The study of how languages change over time and how they are related. Lachmann’s sound laws and comparative work made language history central to his scholarship.
August Boeckh: A German classical scholar who developed an influential conception of philology as historical knowledge. Boeckh’s broader account of philology provides a contemporary counterpart to Lachmann’s methods.
Copy-text editing: An editorial method that selects one witness as the primary basis for a printed text. It contrasts with reconstructing an earlier text by comparing a manuscript family.
Stemmatics: The analysis of relationships among manuscripts through shared readings and errors. Its genealogical reasoning clarifies the manuscript comparisons behind Lachmannian editing.
Comparative method: A procedure for reconstructing linguistic history by comparing related languages systematically. Its comparative reasoning informed Lachmann’s work on Germanic languages.

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Lachmann's lawRelated: The sound change was named for Lachmann.