Simplify the following text for a Grade 9 native English-speaking person.
Original: Joseph Benedict Chifley ( Ë tÊ É fli ; 22 September 1885 -- 13 June 1951 ) , Australian politician , was the 16th Prime Minister of Australia .
Simplified: Joseph Benedict Chifley ( 22 September 1885 -- 13 June 1951 ) was the 16th Prime Minister of Australia .