Colonel Edmund Gilling Hallewell ( 1822 - 1869 ) was a painter. Colonel Edmund Gilling Hallewell s works have been put up for auction numerous times, with realized prices varying from 95.3 USD for Niagara Falls with the old Terrapin Tower and Horseshoe Falls in 2013 to 228.73 USD for Gibraltar in 2013 , based on the size and medium of the artwork.