Maharshi Vishwamitra
महर्षिः विश्वामित्रः
Maharshi Vishwamitra is one of the Saptarishis and the brahmarshi who composed the Gayatri Mantra (Rigveda 3.62.10) and the entire third Mandala of the Rigveda. He is celebrated for his tapasya, his role as guru to Rama and Lakshmana, and for creating a rival heaven (Trishanku Svarga). Works: Third Mandala of Rigveda, Gayatri Mantra.