 Many local Yi came to bid farewell to the missionary family.Broomhall's investigations as to whether the CIM could undertake medical work in Thailand led to three hospitals being founded there; also a pioneering missionary among the Mangyan people of the island of Mindoro in the Philippines for 11 years from 1953 until he retired.When he retired as a doctor, putting down his surgical knives, he started picking up his pen to record history.