Towards the end of his life, Sutan Sjahrir lived as a prisoner under medical care. As bitter as it was, that period was the only time his daughter ever experienced life as part of a complete family.

Coolen spread Christianity in Java using wayang, a traditional Javanese puppet theatre. He acculturated Christian teachings with Javanese culture, creating a stark difference with Dutch Christianity.

The first and largest music studio in Indonesia to record sounds of artistic value, Lokananta continues to exist as a witness to the development of Indonesian music.

Christianity is the majority religion on Nias Island, thanks to German pastors who spread it with the help of local teachers whom they had trained.