What year was the terminal the location of the Grand Central School of Art ?
The school was directed by John Singer Sargent and Daniel Chester French ; its first year teachers included painters Edmund Greacen , Wayman Adams , Jonas Lie , George Elmer Browne , Nicolai Fechin , and Sigurd Skou ; sculptor Chester Beach ; illustrator Dean Cornwell ; costume designer Helen Dryden ; George Pearse Ennis , who worked in stained glass and watercolors ; and muralist Ezra Winter .