Dirk van der Aa:
Dirk van der Aa , 1731 -- February 23, 1809.
He was born in The Hague, and first apprenticed to Johann Heinrich Keller, and then to Gerrit Mes with whom he would later start a workshop; they specialized in grisaille decorative paintings. He counted Evert Morel, Cornelis Kuipers, Johan Christiaan Roedig and Andries van der Aa amongst his students. He died in his home city of The Hague.
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