Eugen Mittwoch advocated Jihad and violence against the Western powers, Mittwoch hired more liberal and cosmopolitan writers and intellectuals for the Nachrichtenstelle such as the Swiss Max Rudolf Kaufmann (Mittwoch hired him for the Nachrichtenstelle, after he arrested, briefly imprisoned and deported from Turkey because Turkish intelligence had found letter of Kaufmann criticizing German-Turkish militarism and jingoism), the Social Democrat Friedrich Schrader and the Zionist Nahum Goldmann. Schrader and Kaufmann were correspondents for the Jewish-owned liberal Frankfurter Zeitung and close associates of , one of the sharpest critics of German collaboration with the genocidal politics of the Young Turks. In the 1920s
Determination of the day of the week his collected works in 1927. Gauss' method was applicable to the Gregorian calendar. He numbered the weekdays from 0 to 6 starting with Sunday. He defined the following operation: The weekday of 1 January in year number is where is the remainder after division of by , or modulo . This formula was also converted into graphical and tabular methods for calculating any day of the week by Kraitchik and Schwerdtfeger. Another variation of the above algorithm likewise works with no lookup tables. A slight disadvantage is the unusual month and year counting convention. The formula is where For example,