Stairwell Art Captures a World in Progress

Walla Walla, Washington -- Ben Carson had the whole world in his hands, and in the course of two years he transferred it to the stairwell here in Whitman College's science building. With the assistance of Patrick Spencer , chairman of Whitman's geology department, the artist broke down geologic time and the history of the earth, all 4.6 billion years, and then rendered...