Who is Bhikkhu Sīlācāra? ... The architect Rutch from Breslau had already designed a monastery with huts for monks, and the plan was that Bhikkhu Sīlācāra and other disciples were to join Nyanatiloka there. ... 


(Wikipedia entry on Nyanatiloka)

Who is the monk mentioned above? What is the contribution that he has made? Any books by him?
The link lists a summary of Bhikkhu Silacara's life and other books about him.

http://en.wikipedia.org/wiki/S%C4%ABl%C4%81c%C4%81ra

It is a starting place to begin your study.