I’m guessing they do this for anyone who requests it.
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Robert M. Hanson
Professor of Chemistry
St. Olaf College
Northfield, MN
http://www.stolaf.edu/people/hansonr
If nature does not answer first what we want,
it is better to take what answer we get.
– Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900