Meghnad Saha was an Indian astrophysicist best known for his development of the Saha ionization equation, used to describe chemical and physical conditions in stars.
Srinivasa Ramanujan was an Indian mathematician who lived during the British Rule in India.
Vikram Sarabhai was an Indian scientist and innovator widely regarded as the father of India's space programme.
Dr Homi Jehangir Bhabha was an Indian nuclear physicist, founding director, and professor of physics at the Tata Institute of Fundamental Research (TIFR).
Avul Pakir Jainulabdeen Abdul Kalam or A.P.J. Abdul Kalam was an aerospace scientist who served as the 11th President of India from 2002 to 2007.
C. V. Raman was an Indian physicist born in the former Madras Province in India.
Chinnaswami Rajam was a visionary entrepreneur, eminent industrialist, and the founder of the present Madras Institute of Technology of the Anna University, Chennai.
Paul Pothen was an Indian industrialist and one of the pioneers of fertilizer industry in India.
V. L. Patil or Aabaji as an Indian politician, industrialist, and freedom fighter.
Anilkumar Patel was an Indian politician, educationist and industrialist from Mehsana, Gujarat.
Balvant Parekh was an Indian entrepreneur and founder of Pidilite Industries.
Jagmal Raja Chauhan was a noted railway contractor, industrialist, miner, private banker, aviation pioneer and philanthropist of India.