[1] He served in the Nigerian House of Representatives as federal minister of Mines and Power, and was chairman of the Electricity Corporation of Nigeria.

[4] He was educated at Ebem Primary School and attended the Hope Waddell Training Institute, Calabar from 1933 to 1936.

[7] Entering politics, he was a member of the Nigerian House of Representatives in the federal government, serving as minister of Mines and Power from 1952 to 1953.

[4] In 1966, Njoku was appointed vice-chancellor of the University of Nigeria, Nsukka where he remained until the outbreak of the Nigerian civil war in 1967.

He was a leader of Biafran delegations to the Ad Hoc Constitutional Conference in Lagos (1966) and OAU-sponsored peace talks in Niamey and Addis Ababa (1968).

[17] Later, Ashby referred to him as “one of the most eminent of Nigerians” and noted his “enlightened leadership of the University of Lagos.”[17] In addition to his publications, Njoku received international recognition as a scientist-educator through his leadership in the activities of UNESCO furthering higher education and training in West Africa.

His son, Eni G. Njoku, is a scientist who worked in the United States of America at the Jet Propulsion Laboratory.