Richard Mortensen ( 1910 - 1993 ) was a painter. Richard Mortensen s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 142.25 USD for Stimuli in 2003 to a remarkable record 210585.43 USD for Til Chopin, Opus 12 in 2012 , based on the size and medium of the artwork.