The man responsible for ensuring the beauty of the nationally admired University of Colorado at Boulder campus will officially retire on Dec. 31. Campus Architect Bill Deno, 74, has been an integral part of the design and planning of buildings, land use, open space, signage and graphics, transportation and parking at CU-Boulder for nearly 30 years. He has overseen design standards, coordinated construction projects, helped select consultants and worked with dozens of outside contractors on behalf of the campus.