However, this website is really cool, and it does do a much better job of explaining than my frustrated attempts of "you just pull one loop through the other!"
"Though he had almost no formal training in pure mathematics, he made substantial contributions to mathematical analysis, number theory, infinite series, and continued fractions, including solutions to mathematical problems considered to be unsolvable. Ramanujan initially developed his own mathematical research in isolation; it was quickly recognized by Indian mathematicians."