John Hutton starts every White House portrait with an egg-shaped frame. He adds a nose, mouth, eyes, and eyebrows, then outlines the face, guided by a series of horizontal and vertical lines through ...

John Hutton, a North Carolina art history professor who draws in his spare time, outlined his four-step technique in a new ...

Learn brush care, strokes, and patterns with James A. Schwalbach's guided art lesson. Discover the magic of brushwork with James A. Schwalbach. Learn how to care for your brush, experiment with ...

Figure 1: Eggs laid by hosts of the brood parasitic common cuckoo. Thus, SIFT evaluates patterns in a way that is neurobiologically plausible, not just for primates but also for birds, providing a ...