Short answers, pulled from the story.
The Prussian Academy of Sciences was established on the 11th of July 1700 by Prince-elector Frederick III of Brandenburg. Gottfried Wilhelm Leibniz advised on its creation and served as its first president.
Frederick granted the society a monopoly to produce and sell calendars throughout Brandenburg instead of providing direct money from the state treasury. This financial arrangement allowed the organization to operate independently while growing its influence.
Albert Einstein presented his field equations of general relativity to the Academy on the 25th of November 1915 after becoming a proper member in 1914. Other notable members included Max Planck who joined in 1894, Hermann von Helmholtz, and Friedrich Georg Frobenius.
Jewish Academy members were not expelled until 1938 following a direct request by the Ministry of Education. A new Academy statute went into effect on the 8th of June 1939 that reorganized the institution according to the Nazi leadership principle known as the Führerprinzip.
The Soviet Military Administration in Germany reorganized the Academy on the 1st of July 1946 and renamed it the Deutsche Akademie der Wissenschaften zu Berlin. Following German Reunification, the Academy was disbanded and replaced by the Berlin-Brandenburgische Akademie der Wissenschaften in 1992.