This document provides a short biography and tribute for KS Subrahmanyam. It lists his career highlights including positions at the Ministry of Defence, Institute for Defence Studies and Analyses, and roles advising the UN and Indian government. The tribute honors his clear vision for India, fostering strategic thinking, and accomplishments including influencing India's nuclear posture, intervention in East Pakistan, and the Indo-US civil nuclear deal. He is described as having an ambitious vision for India in 1968 and being very erudite, approachable, and willing to teach.