Martin Treu is an architect, author, graphic designer and urbanist. For the past two decades he has been tracking the historic evolution of the American commercial corridor. Martin is author of Signs, Streets, and Storefronts. The book addresses more than 200 years of signs and place-marking along America’s commercial corridors. From small-town squares to Broadway, State Street, and Wilshire Boulevard, Martin Treu follows design developments into the present and explores issues of historic preservation.