Simplify the following text for a Grade 9 native English-speaking person.
Original: Irving Kristol ( January 22 , 1920 â `` September 18 , 2009 ) was an American columnist , journalist , and writer who was dubbed the `` godfather of neoconservatism '' .
Simplified: Irving Kristol ( January 22 , 1920 â `` September 18 , 2009 ) was an American columnist , journalist , and writer . He was called the `` godfather of neoconservatism . ''