A universal history of astronomy as an educational aid

Rajesh Kochhar Invited  talk delivered at XXVII General Assembly of International Astronomical Union  Special Session 4: Astronomy Education between Past and Future, Rio de Janeiro 6 August 2009 A man is wise…

Scientist in exile [ Subramanya Chandrasekhar]

Sunday Times of India, 14 July 1991 Rajesh Kochhar [This essay reviews Kameshwar C. Wali’s authorized biography of Subramanya Chandrasekhar, titled Chandra. The review was written when Chandrasekhar was still…

Was Raja Jai Singh a plagiarist ?

The Tribune , Chandigarh, 7 January 1999 Rajesh Kochhar The name Jantar Mantar, sounding like hocus-pocus, would have pained Raja Sawai Jai Singh. The quaintly shaped buildings at Delhi and…

The wrong Bose at Como

Economic Times 31May 1994 Rajesh Kochhar The 70th birthday celebration of the noted physicist Satyendra Nath Bose (1894-1974) in Calcutta was witness to an unusual event. One of the invited…

Aryabhata reinstalled

Rajesh Kochhar Aryabhata (born AD 476) is the founder of Siddhantic astronomy which focused on developing mathematical algorithms for calculating planetary orbits and for predicting lunar and solar eclipses. His…