Emil Trinkler didn't migrate as such, but Marjan Wardak's article speaks to central themes on this blog. People and knowledge itself are on the move, interacting with go-betweens and yielding something new. The Scientist Emil Trinkler’s Exploration across South Asia, 1915–1933 Jan 29, 2021 Marjan Wardaki
Germans translated Buddhist texts in Germany, and they migrated to British Ceylon in order to get closer to Buddhism. Their Buddhist practices ended up changing Buddhism's relationship to texts in their South Asian home. German Migrants and the Circulation of Buddhist Knowledge between Germany and British Ceylon Apr 18, 2020 Sebastian Musch
Hirschfeld's encounters with Islam and Muslims in Indonesia, India, and the Near East "taught him how closely connected the issues of sexual and cultural diversity were." Knowledge in Transit: Global Encounters and Transformation in Magnus Hirschfeld’s Travelogue Nov 6, 2019 Razak Khan
Frei discusses the knowledge prospective Jesuit missionaries sought to gain before applying, and knowledge missionaries provided back home. Missionary FAQs: The Migration of Knowledge about and from Early Modern Jesuit Missions Sep 2, 2022 Elisa Frei