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 Going Deep: Supporting Collaborative Exploration of Evolution in Natural History Museums 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 Fluid Grouping: Quantifying Group Engagement around Interactive Tabletop Exhibits in the Wild