Simplify the following text for a Grade 3 native English-speaking person.
Original: PÃ r Fabian Lagerkvist ( 23 May 1891 â '' 11 July 1974 ) was a Swedish author who was awarded the Nobel Prize in Literature in 1951 .
Simplified: PÃ r Lagerkvist ( 1891 May 23 â `` 1974 July 11 ) was a man from Sweden who wrote many books . One time he won the Nobel Prize .