As part of his research, which took him to various places in Switzerland and Britain, and a number of international online archives, Taugwalder discovered that the original version of the letter his great-great-grandfather wrote has still never been seen publicly, at least until now.
Matthias realizó una exhaustiva investigación que lo llevó a diversos lugres de Suiza y a la Gran Bretaña. Asimismo, revisó con minucia un importante número de documentos de archivos internacionales disponibles en línea.