Leopoldo Alas y UreÃ a ( 25 April 1851 - 13 May 1901 ) , also known as ClarÃ n was a Spanish realist writer born in Zamora . Leopoldo GarcÃ a-Alas y UreÃ a ( 25 April 1852 â `` 13 June 1901 ) , also known as ClarÃ n , was a Spanish realist novelist born in Zamora .