Richard I of Normandy married her to legitimize their children: Richard was known to have had several other mistresses and had children with many of them. Known children are: "The Little Duke", a Victorian juvenile novel by Charlotte Mary Yonge, is a fictionalized account of Richard's boyhood and early struggles. Richard I of Normandy Richard I (28 August 932 – 20 November 996), also known as Richard the Fearless (French: "Richard Sans-Peur"; Old Norse: "Jarl Richart"), was the Count of Rouen or Jarl of Rouen from 942 to 996. Dudo of Saint-Quentin, whom Richard commissioned to write the ""De moribus et actis primorum Normanniae
What Is Mathematics? 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 Robbins assisted in writing a large part of the book, he had to fight for authorship. Nevertheless, Courant