May 27th is David Crosthwait Jr. Day!!! "David Nelson Crosthwaite, Jr. studied mechanical engineering at Purdue University before taking a job with the C. A. Dunham Company. At Dunham, Crosthwait conducted innovative research, and designed the heat system for Rockefeller Center and Radio City Music Hall. He held 119 patents - 39 in the U.S. and 80 internationally, all in relation to heating, cooling and temperature regulating technology." Thank you Mr. Crosthwait Jr. for all of your contributions and inspiration! Please click the link below and learn more about David Crothwait Jr.
http://www.biography.com/people/david-nelson-crosthwait-jr-205623
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