1991 GUPTA, Radha Charan (b. 1935) Ph.D., Formerly Professor of Maths, BIT, Mesra, Ranchi; Editor, Res. (Ganita Bharati Academy), R-20, Ras Bahar Colony, Sipri Bazar, Jhansi – 284003; Tel: 09415965574(M); Sp. History of Mathematics.
1991 GUPTA, Radha Charan (b. 1935) Ph.D., Formerly Professor of Maths, BIT, Mesra, Ranchi; Editor, Res. (Ganita Bharati Academy), R-20, Ras Bahar Colony, Sipri Bazar, Jhansi – 284003; Tel: 09415965574(M); Sp. History of Mathematics.