Paintings by Joshua Whidden in Bilateral; Memory & Experience, 2015, Sella-Granata Art Gallery. Posted on: June 18th, 2015 Paintings by Joshua Whidden in Bilateral; Memory & Experience, 2015, Sella-Granata Art Gallery. Paintings by Joshua Whidden in Bilateral; Memory & Experience, 2015, Sella-Granata Art Gallery.