S Ramaseshan

Sivaraj Ramseshan (October 10, 1923 ? December 29, 2003) was an Indian scientist known for his work in the field of crystallography. Ramaseshan served as Director of the Indian Institute of Science and was awarded the Padma Bhushan. Ramaseshan is the nephew of Indian scientist and Nobel laureate Sir C. V. Raman and cousin of Subramanyan Chandrasekhar.Ramaseshan was born on October 10, 1923 in Madras to Sitalakshmi sister of Indian scientist Sir C. V. Raman. He had his schooling in Nagpur and started his forays into science as a research student under his uncle, Sir C. V. Raman.On completion of his doctorate, Ramaseshan joined the Indian Institute of Science as a lecturer. During this time, he developed an interest in X-ray crystallography and was instrumental in improving the material science division in the National Aerospace Laboratories. Ramaseshan also taught as a professor in the Indian Institute of Technology.