This letter mentions Dr.M. K. Vainu Bappu has been elected the President of the IAU for the term 1979-1982, followed by Bappu's distinguished life since his education from Hyderabad to Harvard and his contributions, awards, honours and leadership at national and international levels.

This letter concerns the role of astronomy. The contribution of astronomy to scientific development and the significant achievements and its continuous efforts.

This letter was about Kodaikanal Observatory's position & surroundings and also talks about scientific celebrities contribution and visits of Dr. Homi Bhabha, Dr. S. Chandrasekhar.

This letter was about an elaborative lecture given by M. K. Vainu Bappu on scientific development in India and the contribution of India's eminent personalities. The role of astronomy and the key areas that astronomical celebrities have contributed to in India and the World.

This letter was about the speech given by Dr. Bappu at IAU-2nd Asian Pacific meeting in Astronomy, Bundurg, Indonesia, August 25-29, 1981. He appreciated the progress of Indonesia in astronomy and its interest to do more.