What is the name of the artist on this piece? Could someone type the name of the artist in Chinese so I can begin research on this piece? I purchased a translation application that works well but it will not pick up words that have been written by hand.
"馬海德", most likely was "shafick george Hatem" and his wife "周蘇菲".

于延安 is roughly at (于) the communist headquarters (延安)