Watertower pic and portrait by Ron Albertson who lives in Brooklyn, NY. He does silkscreen prints of NYC cityscapes, landscapes and portraits and sells his prints for $35 a pop (6in x 12in silkscreen prints). He can be reached by phone: 718.369.6226.
The collage work is by Katherine Streeter who is an illustrator. Her work can be viewed at http://www.katherinestreeter.com