Masses of the Undone,” the work of contemporary artist Adrian Gor, will be on exhibit in The Gallery at Penn College until Nov. 25.   A reception will take place from 4:30 to 6:30 p.m. Nov. 13, with a gallery talk set for 5:30 p.m.  The large-scale charcoal and pastel drawings were created over the course of three years by the Romanian-born artist, who now is based in Ottawa, Canada. Most pieces measure 6 feet by 3 to 4 feet.