Please answer the following question: Constantin Esarcu - Constantin Esarcu (November 5 1836 June 8 1898) was a naturalist physician teacher politician and diplomat who served as the Minister of Foreign Affairs of Kingdom of Romania from February 21 until November 26 1891.Esarcu graduated from a university in Bucharest and Sorbonne University in Paris. In 1864 he received his doctoral degree in medicine. He also served as the Romanian ambassador to France.He died on June 8 1898 in Govora Mihaesti Valcea. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Office Holder