Simplify the following text for a Grade 5 native English-speaking person.
Original: Gianni Rodari ( 23 October 1920 - 14 April 1980 ) was an Italian writer and journalist , most famous for his books for children .
Simplified: Gianni Rodari ( October 23 , 1920 in Omegna ( Novara ) - April 14 , 1980 in Rome ) was an Italian writer . He was famous for his books for children .