Louis Nwachukwu Mbanefo was born in Onitsha, Eastern Nigeria on the 13th of May 1911. He was educated at The Methodist Boys High School in Lagos and subsequently at the prestigious Kings College, also in Lagos, which was modeled on Eton and Harrow Colleges and where he was a keen Cricketer and Footballer- all these between the years 1925-1932. He was then admitted to the University College London, where he studied Law, graduating Second Class Upper in 1935 and was called to the Bar at The Middle Temple later on in the same year. He was then admitted to Cambridge, where he obtained a further Degree in the Humanities in 1937.
He returned home to Nigeria and set up practice in his hometown of Onitsha and is on record as the first Lawyer from the East of Nigeria. He veered into politics and was elected into the Eastern Region Parliament in 1950, where he distinguished himself as an excellent Orator and Lawmaker. However the pull of the Legal profession was such that he returned after 2 years, but this time to the Bench, as a Justice of the Supreme Court of Nigeria in 1952, with his first posting being to Warri in the Mid-West of Nigeria, where he sat as resident Judge.
He was later seconded back to the Eastern Region as Chief Justice in 1961 and in 1962, reached the peak of his Judicial career by appointment to the International Court of Justice, as an ad-hoc Judge, a position he occupied till 1966, when he returned to his post as Chief Justice of the Eastern Region. His appointment to the ICJ being to sit on South-Western Africa Cases i.e. Liberia v South Africa and Ethiopia v South Africa ICJ Reports 1966 ICJ which spanned over four years.
In 1961, he received a Knighthood from the Queen and assumed the title which he proudly answered till his death- Sir Louis Mbanefo. Upon the outbreak of the Nigerian Civil War, he was appointed the Chief Justice of Biafra and Ambassador Plenipotentiary. He was actively involved in the Peace talks with the Nigerian Government and worked actively towards a diplomatic resolution of the Crisis. He remained in Biafra till the very end.
He dedicated his later years to Charity and Church work, serving variously as President of the Christian Council of Nigeria, Chancellor of the Niger Diocese- a position he had held since 1946, President of the Anglican Consultative Council from 1972 and a Fellow of the University of London.
Sir Louis died in 1977.