Seth Guiñals-Kupperman (@sethlmgk) header
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Seth Guiñals-Kupperman

@sethlmgk

#iteachphysics and @NYCSchools educator. Wash your hands. 黒人生活が重要　（こくじんせいかつがじゅうよう）

 New York
Joined May 2008
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