 Born in Onitsha in 1946 to parents from Agulu in Anambra State, Nigeria, he studied for one year at Ahmadu Bello University before transferring to the University of Nigeria, Nsukka as a result of pogroms against the Igbo people in northern Nigeria.During the Nigerian Civil, also known as the Biafran War (1967–1970), Udechukwu worked in the Propaganda Unit, and participated in the artists and writers workshops led by the poet Gabriel Okara and the artist Uche Okeke.At the end of the war, he returned to Nsukka, completing his bachelor's degree in fine arts, with a thesis on Igbo Uli mural art, in 1972.