K. M. Radhakrishnan is an Indian space scientist and engineer known for his significant contributions to the Indian Space Research Organisation (ISRO). He served as the Chairman of ISRO from 2009 to 2014, overseeing major projects like the Mars Orbiter Mission, which made India the first Asian nation to reach Martian orbit. Under his leadership, ISRO achieved several milestones, including the successful launch of the Chandrayaan-1 mission to the Moon. Radhakrishnan's work has been instrumental in advancing India's capabilities in space technology and exploration, earning him recognition both nationally and internationally.