This document provides a foreword and introduction to the book "Science of Self-Realization" by His Divine Grace A.C. Bhaktivedanta Swami Prabhupada. The foreword describes the author's first meeting with Prabhupada in 1966 and how he started spreading Indian philosophy and culture in New York City. It details the growth of his movement in the US and his teachings. The introduction explains that Prabhupada was a profound spiritual teacher, philosopher and author who produced many volumes translating classic Indian texts to spread spiritual knowledge to the Western world.