At Wednesday night's meeting, trustees appointed Erik Johnson to succeed the retiring David Leake as director of the William M. Staerkel Planetarium, effective Aug. 12. CHAMPAIGN — Parkland College is staying in-house to replace one of its star faculty members. At Wednesday night's meeting, the board appointed Erik Johnson, an associate professor of astronomy, to succeed the retiring David Leake as director of the school's planetarium, effective Aug.