Dr. S. Radhakrishnan was an influential Indian philosopher, scholar, and politician, born on September 5, 1888. He served as the first Vice President of India from 1952 to 1962 and later as the second President of India from 1962 to 1967. Radhakrishnan was known for his work in comparative religion and philosophy, particularly in interpreting Hinduism for a global audience. He was also a prominent educator, advocating for the importance of education in personal and national development. Radhakrishnan's birthday, September 5, is celebrated as Teacher's Day in India, honoring his contributions to education and his belief in the transformative power of teaching.