Teachers can use this image to teach children about the history of snowflake exploration and to introduce snowflake science and snowflake illustration.
Caricatured snowflakes, originally characterized by Danish Anatomist Thomas Bartholin, and published in "De Nivus usu Medico Observationes Variae of 1661" then republished by English Polymath Robert Hooke in "Micrographia" 1664
