Simplify the following text for a Grade 7 native English-speaking person.
Original: John Boynton Priestley OM ( 13 September 1894 â `` 14 August 1984 ) was an English novelist , playwright and broadcaster Generally , he is known as J.B. Priestley .
Simplified: John Boynton Priestley , OM ( 13 September 1894 Â â `` 14 August 1984 ) , known as J.B. Priestley , was an English novelist , playwright and broadcaster .