The first half of the 20th century saw massive surges in polio cases, resulting in extended hospital stays for many, including Eleanor Abbot, a retired schoolteacher who invented Candyland to entertain the children she met in the polio ward.
Beulah Louise Henry was an American inventor whose creations—including the double chain stitch sewing machine, vacuum ice cream freezer, hair curler, double-ended umbrella and improved can opener—helped revolutionize manufacturing technology.