Ken Brecher is a theoretical astrophysicist and Director of Science and Mathematics Education at Boston University. His relationship to the Exploratorium dates back to 1976 when he asked Frank Oppenheimer to contribute an article to the MIT magazine on the occasion of (former Osher Fellow) Phil Morrison’s 60th birthday. Ken has been active in the world of informal science education, and served as Project Scientist for MicroObservatory project, which developed a network of telescopes controllable via the Web for use by students and teachers. At the Exploratorium, he contributed numerous ideas for new exhibits and, with the help of the Teacher Institute, built a walk-in exhibit that explores the ultraviolet spectrum. Ken also taught classes in the summer Teacher Institute program, participated in Iron Science Teacher, and worked with exhibit developers, Web site developers, the Cinema Arts staff, and others.