"Portraits in Gray" Civil War Photography Exhibition features the collection of David Wynn Vaughn at the Georgia Southern University Museum. Admission to the museum and exhibit is free. The exhibit features 70 images from the collection of David Wynn Vaughn. A native of Atlanta, Vaughn began collecting Confederate images more than 20 years ago and has one of the largest collections in the nation. The exhibit opened in August, but will close on Sunday. Call the GSU Museum at 478-5444 for more information.