<P> The Main Concourse has an elaborately decorated astronomical ceiling , conceived in 1912 by Warren with his friend , French portrait artist Paul César Helleu , and executed by James Monroe Hewlett and Charles Basing of Hewlett - Basing Studio , with Helleu consulting . Corps of astronomers and painting assistants worked with Hewlett and Basing . The original ceiling was replaced in the late 1930s to correct falling plaster . </P>
<P> The Main Concourse has an elaborately decorated astronomical ceiling , conceived in 1912 by Warren with his friend , French portrait artist Paul César Helleu , and executed by James Monroe Hewlett and Charles Basing of Hewlett - Basing Studio , with Helleu consulting . Corps of astronomers and painting assistants worked with Hewlett and Basing . The original ceiling was replaced in the late 1930s to correct falling plaster . </P>
who painted the ceiling of grand central station
who painted the ceiling of grand central station
James Monroe Hewlett Charles Basing
James Monroe Hewlett Charles Basing