German disciple of Bhaktisiddhanta Saraswati - Trying to remember book title--anyone?

This came up elsewhere and I wonder if anyone remembers more about this--

Srila Bhaktisiddhanta Saraswati had a German disciple who was given sannyasa. The interesting thing about him, beyond this fact, was that he spent time in an Indian concentration camp during the war. There was a book about this and I remember it was circulating around New Dwaraka, xeroxed many times, in the late 70s. I can't remember the name of the disciple or the book or any other details.

I remember the whole story as very inspiring but little else about it. His efforts to remain focused on his sadhana in prison was amazing to us all. If I remember correctly, he inspired his fellows in the camp as well.

A web search brought up a few mentions of him with no name or other details.

Does anyone remember the book title, at least?

Any assistance would be much appreciated.

Thanks--

Tapati

In Walther Eidlitz's book Journey to Unknown India, he is called Sadananda. He is mentioned in one Gaudiya Matha publication as "Brahmacari Ernest G. Schulze," and he did not receive sannyasa from Bhaktisiddhanta, but rather from Swami BH Vana. It is interesting to note that Swami Vana gave other sannyasa names in the form "Swami ---ananda Vana" -- so it's quite possible that Sadananda's full sannyasa name was "Swami Sadananda Vana."

Thanks! I will pass that on to others interested in finding out more about him.

I found that book in downloadable form once and I thought it was great. Can't remember where though, try googling.

http://www.bhakti-yoga.ch/

Radhe Radhe