From the collection of Polly and Mark Addison, donated to the CU Art Museum. (CU Art Museum/Courtesy photo) Addison didn’t just hoard art for his own private delight, though.

The collection of modern art includes 19th-century photography, which highlights the convergence of science and art in the modern development of photographic techniques and processes such as ...

Yvonne Jacquette, Traffic Light (Signal), 1973.From the collection of Polly and Mark Addison, donated to the CU Art Museum. (CU Art Museum/Courtesy photo) ...