In one of his own poems Needham once described his main collaborator as "The Explainer, the Antithesis: The assurance of a link No separation can break." The story of Lu Gwei-djen's assistance and accompaniment of Needham has been that of one of the best working combinations that would be hard to find elsewhere.
對於這位來自中國的主要合作人，李約瑟曾在一首詩中表達感念之情，並以「解說者，對照者，確保關聯，無可分離」來說明他們之間的合作關係。