"In poetry, and in my study in graduate school, I was drawn to a particular poet, Theodore Roethke. I did a dissertation on "The Evolution of Matter and Spirit in the Poetry of Theodore Roethke" for my Ph.D."

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My father would conclude his dissertations by saying, "Of course, [Albert] Einstein never believed in gravity. It was a distortion of space." And so my father couldn't believe that an attraction at a distance was a reality.

— Paul Laffoley