X is the most versatile and hence a very precious entity in mathematics. Whenever there is an unknown quantity whose value has to be discovered, the mathematician begins with: Let the unknown quantity be x . This A2Z series presented a few personalities who played certain prominent roles in my life. They are not the only ones who touched my life, however. There are so many others, especially relatives, who left indelible marks on my psyche in many ways. I chose not to bring relatives into this series. Dealing with relatives is one of the most difficult jobs for me. I have failed in that task time and again. Miserably sometimes. When I think of relatives, O V Vijayan’s parable leaps to my mind. Father and little son are on a walk. “Be careful lest you fall,” father warns the boy. “What will happen if I fall?” The boy asks. The father’s answer is: “Relatives will laugh.” One of the harsh truths I have noticed as a teacher is that it is nearly impossible to teach your relatives – nephews
William and I were together only for one year, but our friendship has grown stronger year after year. The duration of that friendship is going to hit half a century. In the meanwhile both he and I changed many places. William was in Kerala when I was in Shillong. He was in Ireland when I was in Delhi. Now I am in Kerala where William is planning to migrate back. We were both novices of a religious congregation for one year at Kotagiri in Tamil Nadu. He was older than me by a few years and far more mature too. But we shared a cordial rapport which kept us in touch though we went in unexpected directions later. William’s conversations had the same pattern back then and now too. I’d call it Socratic. He questions a lot of things that you say with the intention of getting to the depth of the matter. The last conversation I had with him was when I decided to stop teaching. I mention this as an example of my conversations with William. “You are a good teacher. Why do you want to stop