PROFILE Eric Gyllenhaal Educator/Evaluator Wonder Works, a Children's Museum in Oak Park About informal science Research Informal Geoscience Education on a Grand Scale: The Trail of Time Exhibition at Grand Canyon A Synthesis of the Literature about Visitor Outcomes at Habitat Dioramas (2013) A Broader View of Front-End Evaluation Immersive Exhibitions: A Bibliography Voices of Doom: When Colleagues Predict Disaster for Your New Exhibit Evaluation Old Faithful Visitor Center Design Zone Professional Development Summative Report Design Zone Exhibition Summative Report Summative Evaluation of the Trail Of Time at Grand Canyon National Park for University of New Mexico Summative Evaluation of Geometry Playground for The Exploratorium Web 2.0 at the Museum of Life and Science: Final Report for the Take Two Institutional Research Study at the University of Washington Remedial/Summative Evaluation of the Biomedical Technology Exhibition for The Great Lakes Science Center, Cleveland, OH Summative Evaluation of POLAR-PALOOZA Remedial/Summative Evaluation of the Sugar from the Sun Exhibition Underground Adventure Traveling Experiment Gallery: Final Evaluation Report