As the son of two dedicated and passionate teachers (chemistry and literature), learning has been always my passion. And as much as I enjoy learning, I get a deep sense of gratification by helping others learn. You have probably heard the proverb: "Give a man a fish and you feed him for a day. Teach a man how to catch fish and you feed him for a lifetime". To me, learning is a life-long endeavor and it requires persistence and attention to detail.

My attention to detail in studying how thin...