As a volunteer of Oberlin College， Ohio， Raymnod T. Moyer came to Oberlin Shanxi Memorial School as an English and gym teacher in 1921. He developed friendship with other teachers and students during his stay in Shanxi. He went to the countryside near the school with other teachers and students after school hours， which helped him understand on Shanxi’s countryside， agriculture and farmers. After returning to Oberlin College in 1923， in the spirit of Oberlin， Moyer applied again to be a volunteer to return to Shanxi to serve in the agriculture. Meanwhile， he proposed the college to subsidize him for postgraduate courses in agriculture. After repeated consultations， the college approved his application. He earned his master's degree in agriculture from Cornell University in the summer of 1927， and then he came to China with his newly⁃married wife. They learned Chinese in Beijing for a year and returned to Oberlin Shanxi Memorial School in the autumn of 1928. Later， the agricultural department was established， land was acquired and staff were recruited in order to develop agricultural science and technology research and extension in Oberlin Shanxi Memorial School. Moyer introduced “Golden Queen” sweet corns， Rambouillet sheep， beets， apples and other animal and plant varieties， and domesticated， hybridized and promoted later， which has been great contribution to Shanxi agriculture.