Ludwig Knaus (after) ( 1829 - 1910 ) was a German painter. Ludwig Knaus (after) s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 15 USD for Hunger has no Ears in 2004 to 1020 USD for Saint Joseph and the Infant Christ with Adoring Angels in 2011 , based on the size and medium of the artwork.