Frans Hals’ quick brushwork came in handy when painting this portrait of a traveler, who was in a terrible hurry and wanted to take his picture with him. Using a technique called wet-on-wet, Hals completed the entire portrait in just one sitting, with no underlying panel prep work and no overlying varnish. This dude looks quite full of himself, though, doesn’t he? Like he’s trying to impress Hals’ with his oh-so-busy calendar, which won’t allow him to take time for a proper sitting.