Dr. Shanti Swarup Bhatnagar belonged to the historical genre of patriotic scientists like Homi Bhabha, C. V. Raman, and Satish Chandra, who envisioned India's self-reliance in infrastructural areas. The country's flagship science institution CSIR was established with Dr. S. S. Bhatnagar at the helm of its affairs. By his sheer intelligence and hard work, Bhatnagar rose to the status of Fellow of the Royal Society of London, the highest honor that an Indian scientist could aspire for other than the Nobel. Whoever came in contact with him was touched by his intellect, diligence, honesty, and above all, inherent simplicity. This account of Bhatnagar's life has been written for the young people of India, who will shape the future of this country.