During the beginning decades of the Turkish Republic, he brought transformation to curatorial work in the country by systematically cataloguing the holdings and utilizing laboratories to scientifically restore objects and artifacts.

[2] Despite the war, Ogan was determined to complete her doctorate and though bombs regularly fell on the city, she took her thesis and notes into a bunker continuing to work.

[5] Ogan graduated in 1943 after completing her doctoral thesis, Kunstgeschichtliche Untersuchung der Opferhandlung auf römischen Münzen (Examination of Art History in Sacrifice Rituals on Roman Coins), alongside Gerhart Rodenwaldt [de].

[1] Ogan returned to Turkey in 1943 and became an assistant to Clemens Bosch [de], Chair of Ancient History and Numismatics for the University of Istanbul.

[7] In 1967, İnan was put in charge of the excavations at Perga[8] and that same year, a large group of bronze statues appeared in the United States with a murky provenance, but with claims of possible origin in south-west Anatolia.

[19] In 1990, İnan uncovered the Sebasteion, or imperial cult temple, in a dig at Bubon, which she attributed as the place which had housed the bronze statues she had first heard of in 1967.

[13] The bronzes were said to have been brought to the Burdur Archaeological Museum with an unknown origin, but due to the unauthorized excavations reported at Bubon at that time and the similarities to artifacts found there, İnan began her investigation at that location.

[20] From the looter's diary and examination of scattered pieces of arms, heads and torsos held in various collections worldwide, she confirmed that the building had inscriptions for fourteen statues.

[22] In 1990, a journalist, Özgen Acar, was attending an exhibition at the New York Metropolitan Museum of Art and went to see the private collection of Shelby White and Leon Levy.

[18] İnan, Engin Özgen, the General Director Monuments and Museums and students went to Boston with the cast to meet with experts and lawyers, but their results were rejected.

Her collection, donated by her son Hüseyin İnan, was digitized and made freely available by Boğaziçi University Archives and Documentation Center.