There were more inventors of the condensed milk. According to the writings of Marco Polo, 13th century Tatars were able to condense milk. Nicolas Appert condensed milk in France in 1820. But most often is as the inventor of the condensed milk mentioned an American Gail Borden. He was devastated by the deaths of several children during his trip to England, apparently from poor milk obtained from shipboard cows. So he decided to do something with it.