Frank Morgan is an award-winning teacher and mathematician. His proof with colleagues and students of the Double Bubble Conjecture is featured at the NSF Discoveries site. He has six books: Geometric Measure Theory: a Beginner's Guide (4th ed. 2009), Calculus 2012 (succeeding Calculus Lite), Riemannian Geometry: a Beginner's Guide 1998, The Math Chat Book 2000, based on his live, call-in Math Chat TV show and Math Chat column, Real Analysis 2005, and Real Analysis and Applications 2005. He has a personal blog and a new blog at the Huffington Post. Morgan went to MIT and Princeton. He then taught for ten years at MIT, where he served for three years as Undergraduate Mathematics Chairman and received the Everett Moore Baker Award for excellence in undergraduate teaching. In January, 1993, he received an inaugural MAA Haimo national award for distinguished teaching. From 2000-2002 he served as Second Vice-President of the Mathematical Association of America, from 2009-2012 as Vice-President of the American Mathematical Society. Morgan served at Williams as Mathematics Department Chair and founding director of an NSF undergraduate research project. He is currently Webster Atwell '21 Professor of Mathematics at Williams College.