After publication of "Bankoku Koho," Martin assumed the job of teacher for English language, international law and politics in Tongwen Guan, which was a public language school established in 1865 with a purpose to bring up interpreters in the field of diplomacy, and, later, he was promoted to the school master.
マーティンは『万国公法』刊行後、1865年に設立された同文館という外交における通訳者養成を目的とする公立語学校の英語・国際法・政治学の教師の職に就き、後日校長に昇進している。