(a)
- Herbert Macaulay
- Nnamdi Azikiwe
- Obafemi Awolowo
- Abubakar Tafawa Balewa
- Ahmadu Bello
- Sapara Williams
- John Payne Jackson
- Samuel Ladoke Akintola
- Adeniran Ogunsanya
- Mazi Mbonu Ojike
- Micheal Opara
- K. O. Mbadiwe
- H. O. Davies
- Anthony Enahoro
- J. S. Tarka
- Aminu Kano
- Bode Thomas
- Alvan Ikoku
(b)
- The desire for self government.
- Protest against European culture.
- Discrimination against Nigerians in jobs, social life etc.
- Experience of demobilized ex-service men after the World War II.
- Exploitation of the economic resources.
- Excessive taxation which was unpopular in Southern Nigeria.
- Confiscation of African lands by the colonial government.
- Deposition of traditional rulers.
- High cost of living.
- Repatriation of high company profit to Britain.
- The role played by the press.
- The role played by the political parties.
- The influence of independence of former British colonies e.g. India, Pakistan and Ghana.
- The effect of the proclamation of the Atlantic Charter.