College of Arts and Sciences associate dean and professor Walter Diehl holds his framed Charles Darwin signature, which will be on display Tuesday night during a birthday reception and seminar at the Cobb Museum in honor of the famed English naturalist. The reception is part of Darwin Week, a series of events that celebrate the life and work of Charles Darwin. Programming for Darwin Week will be held both on and off campus through Friday [Feb. 15]. A full schedule of the week's activities can be found here.