![](http://www.alamy.com/thumbs/6/3074F134-2A8A-42FE-93F5-108FB5A7C6BA/2JTHWRD.jpg)
Nancy Maria Johnson (1794-1890), inventor, awarded the first US patent for a hand-cranked ice cream freezer in 1843, portrait photograph Carte de Visite circa 1875
Starting in 1862 Nancy and her sister Mary taught freed slaves in South Carolina, as part of the Port Royal Experiment
Size: 3545px × 5476px
Photo credit: © ICP / Alamy / Afripics
License: Licensed
Model Released: No
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