![Happy Pi Day! How physicist Larry Shaw created March 14 holiday to celebrate math's beloved irrational number - ABC7 New York Happy Pi Day! How physicist Larry Shaw created March 14 holiday to celebrate math's beloved irrational number - ABC7 New York](https://cdn.abcotvs.com/dip/images/11650565_031417-cc-getty-human-pi-symbol-img.jpeg?w=1600)
Happy Pi Day! How physicist Larry Shaw created March 14 holiday to celebrate math's beloved irrational number - ABC7 New York
Prince of Pi Larry Shaw | Exploratorium Throwback | physicist, public holiday, birthday, Albert Einstein, tradition | Throwback Thursday Pi (π) Day edition is here! This one's a very special tribute to
![Pi Day “The earliest known official or large-scale celebration of Pi Day was organized by Larry Shaw in 1988 at the San Francisco Exploratorium, with staff. - ppt download Pi Day “The earliest known official or large-scale celebration of Pi Day was organized by Larry Shaw in 1988 at the San Francisco Exploratorium, with staff. - ppt download](https://slideplayer.com/9015978/27/images/slide_1.jpg)
Pi Day “The earliest known official or large-scale celebration of Pi Day was organized by Larry Shaw in 1988 at the San Francisco Exploratorium, with staff. - ppt download
![Larry Shaw, founder of Pi Day, an international holiday born at San Francisco's Exploratorium, celebrating the event on Wednesday, March 14, 2012, in San Francisco Calif. (Liz Hafalia/San Francisco Chronicle via AP Larry Shaw, founder of Pi Day, an international holiday born at San Francisco's Exploratorium, celebrating the event on Wednesday, March 14, 2012, in San Francisco Calif. (Liz Hafalia/San Francisco Chronicle via AP](https://l450v.alamy.com/450v/2nj39kk/larry-shaw-middle-founder-of-pi-day-an-international-holiday-born-at-san-franciscos-exploratorium-celebrating-the-24th-annual-event-with-a-pi-day-procession-on-wednesday-march-14-2012-at-the-exploratorium-in-san-francisco-calif-liz-hafaliasan-francisco-chronicle-via-ap-2nj39kk.jpg)