‘John Riegert’

Where: SPACE gallery, 812 Liberty Ave., Downtown (15222). When: 11 a.m.-6 p.m. Wednesdays and Thursdays; 11 a.m.-8 p.m. Fridays and Saturdays; 11 a.m.-5 p.m. Sundays through Sept. 4, when a closing reception will be held from noon-5 p.m. Information: spacepittsburgh.org.