Spencer Douglass Crockwell ( 1904 - 1968 ) was an American painter. Spencer Douglass Crockwell s works have been put up for auction numerous times, with realized prices surpassing estimated prices, varying from 2362 USD for Boy frightened by owl, spilling groceries. in 2005 to 106250 USD for Machinists in 2018 , based on the size and medium of the artwork.