In the span of a lifetime, Dr.P.N. Singhal witnessed incredible advances in the quality of life, self-government and individual political freedom, science and urban amenities, many of which he himself was instrumental in conceiving or implementing. For Indian’s Dr.P.N. Singhal is a guidepost and inspiration for the entrepreneurial spirit—vision, purpose and willingness to take risks—to promote the common good. As profuse as were his ideas, resulting in a teeming harvest of innovations, Dr. P. N. Singhal principle was an unquenchable thirst for knowledge and a commitment to use that knowledge for the public good. He literally gave away his ideas: He refused to patent his inventions, preferring that they be in the public domain for society’s benefit rather than profit from them himself and he was exceptionally generous in letting others improve upon or disseminate.