Articles – Data Pointed. Literally Billions April 8, 2013 – Last year, according to the U.S.
Census Bureau, the world’s population topped seven billion, and now stands at approximately 7,077,490,000 as of noon Eastern, April 8, 2013. Rader's NUMBERNUT.COM. The Thirty Greatest Mathematicians. Click for a discussion of certain omissions.
Please send me e-mail if you believe there's a major flaw in my rankings (or an error in any of the biographies). Obviously the relative ranks of, say Fibonacci and Ramanujan, will never satisfy everyone since the reasons for their "greatness" are different. A Maths Dictionary for Kids 2013 by Jenny Eather.