This interview begins with a discussion of Routly's undergraduate experience at McGill University, before moving on to discuss: his introduction to astronomy at Princeton University; his work at the Mount Wilson Observatory; a comparison of the astronomy programs of Princeton and the California Institute of Technology; his recollections of other astronomers at Princeton; his executive position in the American Astronomical Society; and his final career move to the United States Naval Observatory. Other topics and affiliations discussed include: Robert King, Henry Norris Russell, John Schopp, Martin Schwarzchild, Lyman Spitzer, John Q. Stewart, Marshall Wrubel, Pomona College, telescope design and construction, spectroscopy (spectrum analysis), and the history of astrophysics in general.