Simplify the following text for a Grade 8 native English-speaking person.
Original: Antoine-Laurent de Lavoisier ( also Antoine Lavoisier after the French Revolution ; ( 26 August 1743 â `` 8 May 1794 ) ; , the `` father of modern chemistry '' , was a French nobleman prominent in the histories of chemistry and biology .
Simplified: Antoine Lavoisier ( 26 August 1743 â `` 8 May 1794 ) was a French nobleman , chemist and biologist . He is often called the `` father of modern chemistry '' .