[2][3] He taught a resistance art class in the northern zone during the war with the French, and died as the result of injuries received at the Battle of Điện Biên Phủ.

[5] Vân contributed to the magazines of Tự Lực văn đoàn ("Self-Strengthening literary group") by drawing cartoons on current events, social issues, and everyday live.

[7] Ngọc Vân was born on December 15, 1906 (although some sources record his birth in 1908) in Xuan Cau village, Van Giang district, Hung Yen province.

His name is given to many streets in a number of cities and towns in Vietnam such as Hanoi capital, Ho Chi Minh city, Thu Duc, Da Nang, Hung Yen, Hai Duong, Yen Bai, Da Lat, Vung Ship ... and put for a crater on Mercury.

[10] In Hanoi, his name is given to the small street northeast of Ho Tay, Xuan Dieu street enters Quang Ba village, reaches the Quang Ba swimming pool junction, turns left to go to the gate of the hotel and public tourism company.