Answer the following question: Thomas E. Trowbridge -  Thomas E. Trowbridge known as Tom Trowbridge (December 18 1930 – July 7 2009) originally a dairy farmer from Carbon County Wyoming served as a Democrat in both houses of the Wyoming State Legislature from 1979 to 1986. He was a member of the Wyoming House of Representatives for two two-year terms and he served a single four-year term in the Wyoming State Senate. 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?
Answer:
Office Holder