Simplify the following text for a Grade 9 native English-speaking person.
Original: Luke the Evangelist ( , Loukas ) was an Early Christian writer who the Church Fathers such as Jerome and Eusebius said was the author of the Gospel of Luke and the Acts of the Apostles .
Simplified: Luke the Evangelist is said to be the man who wrote the Gospel of Luke and Acts of the Apostles in the New Testament of the Christian Bible .