Happy Holidays ! Mark Walhimer December 23, 2013 museumplanner.org Leave a CommentHappy Holidays !Wishing everyone a happy holiday season and all the best in 2014. – Mark WalhimerA “Dendrite Star” Snowflake Photomicrographed by Wilson A. Bentley (Wilson Alwyn) 1865-1931, c. 1890, Smithsonian Archives