Broken links in https://www.scratchjr.org/about/info #361
Description
Marina Umaschi Bers
https://emerald.tufts.edu/~mbers01/
Lifelong Kindergarten
https://llk.media.mit.edu/
HvingtQuatre Company
https://web.archive.org/web/20180312103157/https://www.hvingtquatre.com/
Sarah Thomson
https://web.archive.org/web/20161027090110/https://www.sarahjt.com/