1689 - 1760
Mercier was born in Berlin, where he also trained. He was influenced by Watteau and later by Chardin. From perhaps about 1716 he was in London; by 1739 he was working chiefly in Yorkshire. He returned in 1751 to London, and died there. Numerous portraits by him exist.
The National Gallery, Trafalgar Square, London WC2N 5DN