Paramahansa Yogananda, a 20th-century philosopher and a yogi was a student of Mahendranath Gupta. Mahendranath moved to 50 Amherst Street in Calcutta, where he ran a small boys' high school. It was also formerly Paramahansa Yogananda's family home—a site especially poignant to Yogananda because it was the site of his mother's death. In his Autobiography of a Yogi, Yogananda dedicated an entire chapter to describing his friendship with Mahendranath, whom he referred to as "Master Mahasaya," which was along spiritual rather than academic lines. Yogananda described Mahendranath as having a "silky white beard and large lustrous eyes" and described his personality thus: