Rishi: Madhucchandā Vaiśvāmitra (traditional attribution for RV 1.1–1.11; RV 1.3 commonly placed under Vaiśvāmitra-collection—exact rishi for this specific mantra varies by anukramaṇī traditions)
Devata: Sarasvatī (as inspirer of dhī and luminous guidance)
Chandas: Gāyatrī (3 pādas of 8 syllables; standard for early Mandala 1 invocations)