Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. John H. Corcoran - John Hubert Corcoran Jr. (January 15 1897 December 28 1945) was a Massachusetts politician who served on the Cambridge Massachusetts City Council and as the Mayor of Cambridge Massachusetts. Corcoran's father John Hubert Corcoran Sr. was a member and President of the Cambridge Common Council and the Cambridge Board of Aldermen.
Answer:
Office Holder