Based on the criteria used by the Bureau of Labor Statistics (BLS), identify each person's status as Employed, Unemployed, "Not in the labor force" if not in the civilian labor force but still part of the adult population, or "Not in the adult population" if not in the civilian adult population:
Hubert is a 72-year-old professor. He teaches only one or two courses a year, but he''s still pursuing an active research agenda.