c = arccos[sin(la).sin(lb) + cos(la).cos(lb).cos(LB − LB)]

“ two passport-style portraits hanging some distance from each other. A striking aspect of both paintings is the desolate, inward-looking gaze of the portrayed figures. One is a portrait of Moujaes' grandfather and the other of his father; in real life they never met. Here, too, the pair of lost souls seem incapable of bridging the distance between them in time, space and material (paint).” Lex Ter Braak