This article is within the scope of WikiProject Reference works, a collaborative effort to improve the coverage of reference work-related subjects on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.
The 2nd paragraph, about German scientists, besides being un-cited, is a really hard sentence to read. It probably requires a citation before it can be deciphered. Ajmastrean (talk) 20:44, 18 December 2008 (UTC)