From left, Reston Association’s Ellen Graves, Hunter Mill Supervisor Cathy Hudgins, Del. Ken Plum (D-36), Cheryl Terio-Simon, U.S. Rep. Gerry Connolly (D-11), Reston Community Center’s Beverly Cosham, Reston Historic Trust and Museum’s Charles Veatch and Fairfax County Board of Supervisors Chairman Sharon Bulova attend the opening ceremony of the 13th Founder’s Day on Sunday, April 9.