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This is a nanotechnology selected biography, and was featured at the nanotechnology portal in Feb 2012, Feb 2013, Feb 2014, Feb 2015, and Feb 2016. Please edit this article to improve its quality. To suggest changes to the list of selected content, see this talk page. (Rated Start-Class)
This article needs to be edited to place more emphasis on his work, and less on his family life.--Srleffler 03:18, 6 November 2006 (UTC)
This article was automatically assessed because at least one WikiProject had rated the article as stub, and the rating on other projects was brought up to Stub class. BetacommandBot 09:52, 10 November 2007 (UTC)