PROFILE Michael Horn Assistant Professor, PhD Northwestern University About informal science Projects Collaborative Research: Mixing Learning Experiences for Computer Programming Across Museums, Classrooms, and the Home Using Computational Music Life on Earth CAREER: Blocks, Stickers, and Puzzles: Rethinking Computational Literacy Experiences in Informal Environments Research Comparing the Use of Tangible and Graphical Programming Interfaces for Informal Science Education Tangible Programming and Informal Science Learning The DeepTree Exhibit: Visualizing the Tree of Life to Facilitate Informal Learning Going Deep: Supporting Collaborative Exploration of Evolution in Natural History Museums Fluid Grouping: Quantifying Group Engagement around Interactive Tabletop Exhibits in the Wild