Generations showcases six decades of the art and architecture of Herb Greene, informed by his interest in science and history. This "picture book" is organized to showcase large-scale images of Mr. Greene's architectural work alongside his collage paintings and Armature drawings in a way that reveals the unified philosophy behind all of his work. Its purpose is to tell a story of the important interrelationships between art, science, and philosophy, which is described with simple narrative juxtaposed alongside these images.