She also wants to explore the impact of a pregnant mother who uses "baby-talk" rather than adult language, perhaps because the mother has other young children and is using modified speech to communicate with them.
During her visit, the Director-General also visited the International Mother Language Institute, established for the research and preservation of languages.
The show has Nye's enthusiastic character reference for Stern, as well as the German-language diary of 8-year-old Lore Moser, whose mother was a cousin of Stern's.