Thorwald Alef ( 1896 - 1974 ) was a Swedish painter. Thorwald Alef s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 1285.81 USD for liggande kvinna in 2006 to 5509.64 USD for Törnen/Slummern in 2006 , based on the size and medium of the artwork.