Barbara Bratzel has been a teacher of science and mathematics for more than twenty years,
teaching every age from kindergarten through high school. She currently teaches
at the Shady Hill School in Cambridge, Massachusetts. She is the author of
Physics by Design (College House Books, 2005, 2007; Mindstorms software edition
to be published Summer 2009), an activity book for science teachers, which uses
LEGO Mindstorms to teach physics and engineering.