<em> </em><em> </em><em>I guess your question must be </em><em>'</em><em> </em><em>who</em><em> </em><em>is</em><em> </em><em>'</em><em> </em><em> </em><em>!</em><em>!</em>
RD Sharma, a prominent mathematician, educator and author of several textbooks. Prominent mathematician, educator and author of several textbooks and guides practically sleeps, eats, breathes equations, formulas and more. The name RD Sharma is enough to make the average student feel a chill down the spine.