V.V. RAMANAN

Answers:

1. World Teachers' Day
2.`Band of Brothers'
3. A concept that all objects with mass have an associated energy
4. The Society of Jesus
5. The Wanderers Stadium (Johannesburg)
6. Calyx
7. Sarojini Naidu
8. James Fenimore Cooper
9. Junko Tabei
10. 1986
11. France
12. Vitamin B9
13. 1951
14. Halo: Combat Evolved
15. Bindusara.