Stella Hammerstein year, she co-authored "Getting the Goods", a play for vaudeville. Hammerstein appeared in the films "The Ace of Death" (1915), "Anna Karenina" (1915), and "Social Hypocrites" (1918). In September 1919, approximately two months after the death of their father, Hammerstein and her sister, Rose Hammerstein Tostevain, became owners of the Hammerstein Amusement Company. A judge of the Supreme Court of the State of New York ruled that the two daughters were the rightful owners of 4,998 shares of the company's total of 5,000 shares of stock. The ownership had been the subject of a legal dispute involving the sisters, Oscar
Kurt von Hammerstein-Equord the aversion of Hammerstein against political extremism and military risks. Hammerstein-Equord was loyal to the Weimar Republic, a close friend of Kurt von Schleicher Hammerstein worked out first tactical concepts for the army in the Truppenamt. They provided for a sustained defense in an attack until the League of Nations would intervene. In contrast, 1930 was created under his direction the first mobilization plan since 1923, which scheduled the tripling of the seven Infantry Division to 21. In 1930 he was appointed Commander-in-Chief of the Reichswehr, replacing General Wilhelm Heye. Schleicher (now defense minister) with support from Brüning made Hammerstein