[Public Domain Review] The Snowflake Man of Vermont

[Public Domain Review]

Weather scientist Keith C. Heidorn takes a look at the life and work
of Wilson Bentley, a self-educated farmer from a small American town
who, by combining a bellows camera with a microscope, managed to
photograph the dizzylingly intricate and diverse structures of the
snowcrystal.

http://publicdomainreview.okfn.org/2011/02/14/the-snowflake-man-of-vermont/