= Ivan Pavlov
{c}
A <physiologist> associated with the experimental development of <classical conditioning>.https://commons.wikimedia.org/wiki/File:Ivan_Pavlov_nobel.jpg[Identity and authorship record]{ref}
\Image[https://commons.wikimedia.org/wiki/Special:Redirect/file/Ivan_Pavlov_nobel.jpg?width=260]
{title=Portrait of <Ivan Pavlov>}
{description=Official Nobel photograph, circa 1904; photographer unknown. Commons identifies the photograph as public domain.}
{source=https://commons.wikimedia.org/wiki/File:Ivan_Pavlov_nobel.jpg}
{width=260}
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