Intelligence Bureau for the East himself, recruits to the Bureau included Franz von Papen, later briefly the Chancellor of the Weimar Republic, Wilhelm Wassmuss (sometimes referred to as the German Lawrence), Gunther von Wesendonck, Ernst Sekunna and others. Oppenheim was replaced in 1915 by Schabinger von Schowingen, and later in 1916 by Eugen Mittwoch, internationally the most respected and prestigious German orientalist (and also a respected Orthodox Jewish scholar), who recruited more liberal and cosmopolitan people for the Nachrichtenstelle such as Friedrich Schrader, his Swiss associate Max Rudolf Kaufmann or the young Nahum Goldmann (later President of the World Jewish Congress). In its initial period,
Determination of the day of the week since the start of the century, and then add these together along with the number of years since the start of the century, and the day number of the month. Eventually, one ends up with a day-count to which one applies modulo 7 to determine the day of the week of the date. Some methods do all the additions first and then cast out sevens, whereas others cast them out at each step, as in Lewis Carroll's method. Either way is quite viable: the former is easier for calculators and computer programs; the latter for mental calculation (it is quite