sentences:  Their first child, Jaroslava, was born in New York in 1909.His principal income in the United States came from teaching; he taught illustration and design at the New York School of Applied Design for Women, at the Philadelphia School of Art for five weeks, and became a visiting professor at the Art Institute of Chicago.He rejected most commercial proposals, but accepted one proposal in 1906 to design boxes and a store display for "Savon Mucha", a soap bar.