Kenneth Libbrecht

Kenneth G. Libbrecht is a professor of physics and department chairman at the California Institute of Technology. Libbrecht received a B.S. in physics at Caltech in 1980. He was originally trained as a solar astronomer, studying under Robert Dicke at Princeton University and received his Ph.D. in 1984. However, much of his recent research has focused on the properties of ice crystals, particularly the structure of snowflakes. In addition to his professional papers, he has published several popular books illustrating the variety of snowflake forms: • The Snowflake: Winter's Secret Beauty • Ken Libbrecht's Field Guide to Snowflakes • The Little Book of Snowflakes • The Art of the Snowflake: A Photographic Album. Libbrecht won the 2004 National Outdoor Book Award for The Snowflake. Libbrecht was a scientific consultant on snowflakes for the 2013 Film Frozen.

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Kenneth Libbrecht interview: A grand unified theory of snowflakes