Foo Ping-sheung (1896-1965) was born in Foshan, Guangdong. He was sent to St. Stephen’s College in Hong Kong, trained as a civil engineer at Hong Kong University and received honorary Doctor of Laws from HKU. He had been worked as an attendant to the delegation of the Canton Constitutional Government to the Paris Peace Conference in 1919, as secretary to Sun Yatsen 1918-24, governor of Hainan Island 1919-1922, as superintendent of Customs and Commissioner for Foreign Affairs at Canton 1922-26, as secretary of the Ministry for Foreign Affairs and later Vice-Minister for Foreign Affairs of the Nationalist Government 1927, as director of Customs Administration 1927, as member of the Foreign Relations Committee of the National Government, as member of the Legislative Yuan and chairman of its Foreign Relations Committee, as principal drafter of the Chinese Civil Code 1933-1936, and as member of the Central Executive Committee 1935. Fu was appointed Political Vice-Minister for Foreign Affairs in August 1941, and appointed ambassador to the U.S.S.R. in January 1943. After his retirement in 1949 to 1956, he returned to work for Chiang Kaishek as President of the Anti-Corruption Board and Vice President of the Judicial Yuan in Taiwan 1956-1965. This diary records Foo’s second year as ambassador to the U.S.S.R. In addition to Foo’s diplomatic experience, his diary also recorded conditions of domestic politics, the Pacific War and the European theatre of World War II.