Nigeria Was Amalgated In 1914?..WHO SIGNED IT?

*Who signed the 1914 Amalgamation*? Nnamdi Azikiwe was born in 1904(was 10 years old when the 1914 treaty was signed)Obafemi Awolowo was born in 1909(was 5years old when the 1914 treaty was signed)Abubakar Tafawa Balewa was born in 1912(was 2years old before it was signed)Ahmadu Bello was born in 1910(was 4years old before it was signed)Michael Okpara was born in 1920(the treaty has been via IFTTT