1. Editorial

   • Govind S. Krishnaswami

   EditorialNotes 09 July 2016 Pages: 489 - 489

2. Science smiles

   • Ayan Guha

   Announcement 09 July 2016 Pages: 492 - 492

3. Sir William Rowan Hamilton

   • N. Mukunda

   General Article 09 July 2016 Pages: 493 - 510

4. Hamilton’s optics

   • Rajaram Nityananada

   General Article 09 July 2016 Pages: 511 - 528

5. Algebra and geometry of Hamilton’s quaternions

   • Govind S. Krishnaswami
   • Sonakshi Sachdev

   General Article 09 July 2016 Pages: 529 - 544

6. Animal locomotion in different mediums

   • Abdul Jamil Urfi

   General Article 09 July 2016 Pages: 545 - 556

7. Products of sets: Ordered and unordered

   • J. Madhusudana Rao

   General Article 09 July 2016 Pages: 557 - 564

8. The Bohr correspondence principle

   • Deepak Dhar

   General Article 09 July 2016 Pages: 565 - 573

9. A charged particle in perpendicular electric and magnetic fields

   • B. A. Bhargava
   • Adithi Udupa
   • P. Jayanth Vyasanakere

   Think It Over 09 July 2016 Pages: 575 - 577