Occupation: noun
1. a person‘s usual or principal work or business, esp. as a means of earning a living; vocation: Her occupation was photojournalism.
2. any activity in which a person is engaged.
Occupation: synonyms
employment, pursuit, craft, métier. Occupation, business, profession, trade refer to the activity to which one regularly devotes oneself, esp. one‘s regular work, or means of getting a living.
Thanks to all the collectors, institutions, galleries, dealers and photographers who have provided examples for this exhibition. Other examples always welcome.