Pope Benedict XVI Pope Benedict XVI Pope Benedict XVI (; ; ; born Joseph Aloisius Ratzinger; ; 16 April 1927) served as Pope of the Catholic Church and as sovereign of the Vatican City State from 2005 until his resignation in 2013. Benedict's election as pope occurred in the 2005 papal conclave that followed the death of Pope John Paul II. The Vatican announced his withdrawal by bestowing him the title Pope Emeritus shortly after his resignation. Ordained as a priest in 1951 in his native Bavaria, Ratzinger had established himself as a highly regarded university theologian by the late 1950s and was
What Is Mathematics? Expectations" by Charles Dickens. According to Constance Reid, Courant finalized the title after a conversation with Thomas Mann. What Is Mathematics? What Is Mathematics? is a mathematics book written by Richard Courant and Herbert Robbins, published in England by Oxford University Press. It is an introduction to mathematics, intended both for the mathematics student and for the general public. First published in 1941, it discusses number theory, geometry, topology and calculus. A second edition was published in 1996 with an additional chapter on recent progress in mathematics, written by Ian Stewart. The book was based on Courant's course material. Although