Which American director has taught more University classes, Rachel Talalay or W. S. Van Dyke?
Rachel Talalay: Rachel Talalay (born August 16, 1958) is an American film and television director and producer. W. S. Van Dyke:  Known as a reliable craftsman who made his films on schedule and under budget, he earned the name "One Take Woody" for his quick and efficient style of filming.
i don't know