Viggo Olaf Peter Langer ( 1860 - 1942 ) was a Danish painter. Viggo Olaf Peter Langer s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 48.23 USD for Landskab med åløb, i baggrunden udsigt til by. in 2004 to 7159.9 USD for Motiv från Kaukasus med en minaret i Shichova in 2008 , based on the size and medium of the artwork.