= Robert E. Kraut
{c}
A <social psychologist> whose research includes naturalistic observations of smiling.<Social and emotional messages of smiling by Robert E. Kraut and others>[Author identity and research contribution]{ref}
\Image[https://commons.wikimedia.org/wiki/Special:Redirect/file/Robert%20E%20Kraut%202.jpg?width=260]
{title=Portrait of <Robert E. Kraut>}
{description=Robert Kraut; https://creativecommons.org/licenses/by-sa/2.0/[CC BY-SA 2.0]. 2010 file record describes the subject circa 2003.}
{source=https://commons.wikimedia.org/wiki/File:Robert_E_Kraut_2.jpg}
{width=260}
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