Problem: Johanna "Hannah" Arendt (; German: ['a:R@nt]; 14 October 1906 - 4 December 1975) was a German-born American political theorist. Her eighteen books and numerous articles, on topics ranging from totalitarianism to epistemology, had a lasting influence on political theory. Arendt is widely considered one of the most important political philosophers of the twentieth century. As a Jew, Arendt chose to leave Nazi Germany in 1933, and lived in Czechoslovakia, Switzerland, and France before escaping to the United States in 1941 via Portugal.

Arendt was born into a secular family of German Jews in Linden (now a part of Hanover), the daughter of Martha (born Cohn) and Paul Arendt. She grew up in Konigsberg (renamed Kaliningrad when it was annexed to the Soviet Union in 1946) and Berlin. Arendt's family was thoroughly assimilated and she later remembered: "With us from Germany, the word 'assimilation' received a 'deep' philosophical meaning. You can hardly realize how serious we were about it."  Arendt came to define her Jewish identity negatively after encountering antisemitism as an adult. She came to greatly identify with Rahel Varnhagen, a nineteenth-century Prussian hostess who desperately wanted to assimilate into German culture, only to be rejected because she was born Jewish. Arendt later said of Varnhagen that she was "my very closest woman friend, unfortunately dead a hundred years now."  After completing her high school studies in 1924, she enrolled at the University of Marburg, where she spent a year studying philosophy with Martin Heidegger. According to Hans Jonas, her only German-Jewish classmate, in her year at the university, Arendt began a long and problematic romantic relationship with Heidegger, for which she was later criticized because of his support for the Nazi Party while he was rector at the University of Freiburg. After a year at Marburg, Arendt spent a semester at Freiburg University, attending the lectures of Edmund Husserl. In 1926 she moved to the University of Heidelberg, where in 1929, she completed her dissertation under the existentialist philosopher-psychologist Karl Jaspers. Her thesis was Der Liebesbegriff bei Augustin: Versuch einer philosophischen Interpretation ("On the concept of love in the thought of Saint Augustine: Attempt at a philosophical interpretation").

Did she complete her studies at U Marburg?

Answer with quotes: After completing her high school studies in 1924, she enrolled at the University of Marburg, where she spent a year studying philosophy with Martin Heidegger.

Question:
Mihail Kogalniceanu (Romanian pronunciation: [miha'il kog@lni'tSeanu] ( listen); also known as Mihail Cogalniceanu, Michel de Kogalnitchan; 6 September 1817 - 1 July 1891) was a Moldavian, later Romanian liberal statesman, lawyer, historian and publicist; he became Prime Minister of Romania on 11 October 1863, after the 1859 union of the Danubian Principalities under Domnitor Alexandru Ioan Cuza, and later served as Foreign Minister under Carol I. He was several times Interior Minister under Cuza and Carol. A polymath, Kogalniceanu was one of the most influential Romanian intellectuals of his generation. Siding with the moderate liberal current for most of his lifetime, he began his political career as a collaborator of Prince Mihail Sturdza, while serving as head of the Iasi Theater and issuing several publications together with the poet Vasile Alecsandri and the activist Ion Ghica.
Born in Iasi, he belonged to the Kogalniceanu family of Moldavian boyars, being the son of Vornic Ilie Kogalniceanu, and the great-grandson of Constantin Kogalniceanu (noted for having signed his name to a 1749 document issued by Prince Constantine Mavrocordatos, through which serfdom was disestablished in Moldavia). Mihail's mother, Catinca nee Stavilla (or Stavilla), was, according to Kogalniceanu's own words, "[from] a Romanian family in Bessarabia". The author took pride in noting that "my family has never searched its origins in foreign countries or peoples". Nevertheless, in a speech he gave shortly before his death, Kogalniceanu commented that Catinca Stavilla had been the descendant of "a Genoese family, settled for centuries in the Genoese colony of Cetatea Alba (Akerman), whence it then scattered throughout Bessarabia".  During Milhail Kogalniceanu's lifetime, there was confusion regarding his exact birth year, with several sources erroneously indicating it as 1806; in his speech to the Romanian Academy, he acknowledged this, and gave his exact birth date as present in a register kept by his father. It was also then that he mentioned his godmother was Marghioala Calimach, a Callimachi boyaress who married into the Sturdza family, and was the mother of Mihail Sturdza (Kogalniceanu's would-be protector and foe).  Kogalniceanu was educated at Trei Ierarhi monastery in Iasi, before being tutored by Gherman Vida, a monk who belonged to the Transylvanian School, and who was an associate of Gheorghe Sincai. He completed his primary education in Miroslava, where he attended the Cuenim boarding school. It was during this early period that he first met the poet Vasile Alecsandri (they studied under both Vida and Cuenim), Costache Negri and Cuza. At the time, Kogalniceanu became a passionate student of history, beginning his investigations into old Moldavian chronicles.  With support from Prince Sturdza, Kogalniceanu continued his studies abroad, originally in the French city of Luneville (where he was cared for by Sturdza's former tutor, the abbe Lhomme), and later at the University of Berlin. Among his colleagues was the future philosopher Grigore Sturdza, son of the Moldavian monarch. His stay in Luneville was cut short by the intervention of Russian officials, who were supervising Moldavia under the provisions of the Regulamentul Organic regime, and who believed that, through the influence of Lhomme (a participant in the French Revolution), students were being infused with rebellious ideas; all Moldavian students, including Sturdza's sons and other noblemen, were withdrawn from the school in late 1835, and reassigned to Prussian education institutions.
Answer this question using a quote from the text above:

what did he study?

Answer:
Kogalniceanu became a passionate student of history, beginning his investigations into old Moldavian chronicles.