sentences:  Julius Nieuwland, a professor of botany at the University of Notre Dame and a student from Greene’s years at the Catholic University of America.Following the expiration of his agreement with the Smithsonian in 1915, Greene moved to South Bend, Indiana along with his library and herbarium specimens.Greene returned to Washington, D.C. in October that same year to continue work on the "Landmarks of Botanical History, Part 2", which would eventually be published posthumously in 1983.