Albert Einstein was born on #PiDay 1879. Here's a doodle he drew, from our Dibner Library https://t.co/3VCvincztt pic.twitter.com/GLQzbFXVEF— SmithsonianLibraries (@SILibraries) 14 de marzo de 2016
Albert Einstein was born on #PiDay 1879. Here's a doodle he drew, from our Dibner Library https://t.co/3VCvincztt pic.twitter.com/GLQzbFXVEF— SmithsonianLibraries (@SILibraries) 14 de marzo de 2016
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