Michael Stack (American, b. 1947). Oil on canvas titled “A Summer Storm,” depicting an open field surrounded by storm clouds and lightning striking in the distance. Signed and dated 79 along the lower left. Titled along a metal nameplate affixed to the front of the frame. Sight; height: 11 1/2 in x 15 1/2 in. Framed; height: 19 1/8 in x width: 23 1/8 in.