Sally Grant, BBC.com, June 2021:
"...Windows are pervasive in his oeuvre. He was fascinated by architecture, and he depicted buildings, and their rows of apertures, as self-standing subjects. He also painted close-up window views, from both the outside looking in, and the inside looking out. Of the former category, Nighthawks (1942) is perhaps the most famous example. Of the latter, Morning Sun of 1952 exemplifies the artist's love of light and of the city, most particularly New York..."
Morning Sun , 1952Nighthawks, 1942