The artist of David with the Head of Goliath was Norman Rockwell . distemper on wood panel was the medium for this . This was painted in 1919 . The dimensions are 41.1 cm by 40.0 cm and 93.0 inch by 60.3 inch . It is located in J. Paul Getty Museum, Los Angeles, California
Length is 1.1000000000000014 cm more than width