1. Editorial

   • B. Sury

   Department 29 October 2020 Pages: 1309 - 1311

2. Science Smiles

   • Ayan Guha

   Department 29 October 2020 Pages: 1314 - 1314

3. Freeman John Dyson, FRS

   • B. Sury

   Department 29 October 2020 Pages: 1315 - 1317

4. F J Dyson

   • Patrick Das Gupta

   General Article 29 October 2020 Pages: 1319 - 1337

5. Freeman Dyson, the Mathematician

   • B. Sury

   General Article 29 October 2020 Pages: 1339 - 1351

6. Quasinormal Modes of Black Holes

   • Gurbir S. Arora
   • P. Ramadevi

   General Article 29 October 2020 Pages: 1353 - 1367

7. Application of Complex Numbers and Matrix Transformations in Pentagonal Tiling

   • Shobha Bagai
   • Kaartik Isaar

   General Article 29 October 2020 Pages: 1369 - 1384

8. Ziegler-Nichols Tuning Method

   • Vishakha Vijay Patel

   General Article 29 October 2020 Pages: 1385 - 1397

9. Teaching Scientific Temper

   • Abhijeet Bardapurkar

   General Article 29 October 2020 Pages: 1399 - 1405

10. On the Infinitude of Primes

    • Sharv Laad

    General Article 29 October 2020 Pages: 1407 - 1417

11. How to Design Experiments in Animal Behaviour

    • Raghavendra Gadagkar

    Series Article 29 October 2020 Pages: 1419 - 1455

12. Freeman J. Dyson B.A.

    • R. Rajaraman

    Reflections 29 October 2020 Pages: 1457 - 1462

13. Let There be Computers and Virtual Computer Networks!

    • N. Sathyamurthy

    Book Review 29 October 2020 Pages: 1463 - 1466

14. A Brief Introduction to the Topic of the Classics Note by Freeman Dyson

    • B. Sury

    Classics 29 October 2020 Pages: 1467 - 1472

15. Retraction Note to: Riemann integration

    • D. P. Patil

    Retraction Note 29 October 2020 Pages: 1473 - 1473

16. Birds in the Backyard

    Announcement 29 October 2020 Pages: 1474 - 1474