Mabel Cort and her husband played key roles in building up medical work in northern Thailand and were the hosts to Prince Mahidol of Songkhla while he served as a doctor in Chiang Mai.
Nan Suwan was a northern Thai Church elder and war slave from Chiang Mai. He and his family moved to Chiang Saen where he was instrumental in expanding the church in northern Thailand as well as into the neighboring countries of Laos, Burma and Yunnan, China.