Albert Rudolph, known as Rudi or Swami Rudrananda, was a spiritual teacher and an antiquities entrepreneur in New York City. He was born in Brooklyn, New York.

Saraswati P. Venkataraman Sastri , hieratically titled H.H. Jagadguru Shankaracharya Swami Bharatikrishna Tirtha (1884–1960), was Shankaracharya and officiating pontiff of Dwaraka Math, and then the 143rd Shankaracharya and supreme pontiff of Govardhana Math in Puri in the Indian state of Odisha, from 1925 through 1960. He is particularly known for his book Vedic Mathematics, being the first Sankaracarya in history to visit the West, and for his connection with nationalist aspirations, thus earning him the title 'Father Of The Vedic Maths'.