portrait: artistic representation of one or more persons

studio: working place set aside for artist to work, the term is generally applied to workspaces used by artists creating fine art, particularly art dating from the 16th century to the present

bust: sculpture of the upper part (head, neck, and a variable portion of chest and shoulders) of the human figure

cassock: ankle-length male dress worn as Christian clerical clothing

Frei Germano de Annecy: French astronomer