Sage · Smarta · Pan-India
Adi Shankara
The 8th–9th-century Advaita teacher whom tradition credits with recovering the Badrinarayan image from the Tapt Kund and re-establishing the Badrinath temple; his visit to Dwarka is also memorialised.
Sources: Badrinath Temple — Wikipedia; Dwarkadhish Temple — Wikipedia · see Adi Shankara's web