Jan Wendel Gerstenhauer Zimmermann ( 1816 - 1887 ) was a Dutch painter. Jan Wendel Gerstenhauer Zimmermann s works have been put up for auction numerous times, with realized prices varying from 3126.95 USD for De schoolgang in 2004 to 3900 USD for CHILDREN BEFORE A SCHOOL in 2006 , based on the size and medium of the artwork.