Vasugupta
c. 850 · Kashmir
Source-point of the Trika/Spanda line: the Sivasutras (terse aphorisms of recognition) and, on one transmitted account, the teacher whose doctrine Kallata versified as the Spandakarikas (authorship disputed — Vasugupta vs Kallata recensions differ, preserve both).

Birch-bark Sharada manuscript of Shaivite ritual paddhatis, Tuebingen Ma I 404 (PD). The script-and-birch culture transmitting his sutras; folio shown is ritual manual, not his text. Credit: Wikimedia Commons · Public domain
Bio. Source-point of the Trika/Spanda line (c. 850): the Sivasutras, revealed on Mahadeva mountain rock, and — on one transmitted account — the doctrine Kallata versified as the Spandakarikas (authorship disputed across recensions; both readings kept).
Lineage
teacher of Somananda, Kallata
Read alongside
Mark Dyczkowski — Aphorisms of Śiva translation
Independent (Dyczkowski personal/associated editions)
Independent (Dyczkowski personal/associated editions)
dates tradition: Sivasutras revealed on Mahadeva mountain rock Birth ~820 (approx). · canon: · machine-readable JSON · bio schema
Sources & corrections: edit source →. bio, dates and lineage live here.