1. Editorial

   • B. Sury

   Departments 22 May 2021 Pages: 589 - 591

2. Science Smiles

   • Ayan Guha

   Departments 22 May 2021 Pages: 594 - 594

3. John Horton Conway

   • Arvind Ayyer
   • B. Sury

   Departments 22 May 2021 Pages: 595 - 601

4. The Winning Ways of John Conway

   • Madhavan Mukund

   General Article 22 May 2021 Pages: 603 - 614

5. Conway, Knots and Groups

   • Siddhartha Gadgil

   General Articles 22 May 2021 Pages: 615 - 627

6. Airy Functions Demystified — I

   • M. S. Ramkarthik
   • Elizabeth Louis Pereira

   General Article 22 May 2021 Pages: 629 - 647

7. Dosage Compensation

   • Rajiva Raman

   General Article 22 May 2021 Pages: 649 - 669

8. Quantum Game Theory — I

   • Indranil Ghosh

   General Article 22 May 2021 Pages: 671 - 684

9. IntelliChem Identifier

   • Suchandra Chakraborty
   • Kaushik Basu
   • Chandan Saha

   General Article 22 May 2021 Pages: 685 - 703

10. An Alternative Approach to Write the General Solution of a Class of Second-order Linear Differential Equations

    • Dharm Prakash Singh
    • Amit Ujlayan

    Classroom 22 May 2021 Pages: 705 - 714

11. Monsters and Moonshine

    • B. Sury

    Classics 22 May 2021 Pages: 715 - 722

12. Crossing Words with Astronomy

    • Indulekha

    Departments 22 May 2021 Pages: 723 - 723

13. Birds in the Backyard

    • T. N. C. Vidya

    Departments 22 May 2021 Pages: 725 - 725