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 January 1, 2000. (year − 1 for January) formula_3 formula_4 Note: The first is only for a 00 leap year and the second is for any 00 years. The term mod 7 gives the values of months: The term mod 7 gives the values of years: The term mod 7 gives the values of centuries: Now from the general formula: formula_5; January 1, 2000 can be recalculated as follows: formula_6 formula_7 Kraitchik proposed two methods for calculating the day of the week. One is a graphical method. The other uses a formula that he credits to Gauss on p. 110: