Douglas J LlewellynDouglas Llewellyn teaches science education courses at St. John Fisher College in Rochester, NY. Previously, he was the K-12 Director of Science at the Rochester City School District, a secondary school principal, and a middle schoolscience teacher. Llewellyn is a frequent speaker at state and national conferences on inquiry- and argument-based teaching, constructivist learning, and science leadership. Read More Read Less
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