<a href="https://en.wikipedia.org/wiki/Seymour_Benzer" class="extiw" title="w:Seymour Benzer">Seymour Benzer</a> in his office at Caltech in 1974 with a big model of Drosophila.
Harris WA
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Seymour Benzer 1921–2007 The Man Who Took Us from Genes to Behaviour  Harris WA PLoS Biology Vol. 6, No. 2, e41 <a href="//doi.org/10.1371/journal.pbio.0060041" class="extiw" title="doi:10.1371/journal.pbio.0060041">doi:10.1371/journal.pbio.0060041</a> . Available online at <a rel="nofollow" class="external free" href="http://biology.plosjournals.org/perlserv/?request=slideshow&amp;type=figure&amp;doi=10.1371/journal.pbio.0060041&amp;id=95899">http://biology.plosjournals.org/perlserv/?request=slideshow&amp;type=figure&amp;doi=10.1371/journal.pbio.0060041&amp;id=95899</a>