Alexander Obiefoka Enukora Animalu (born 28 August 1938) is a Nigerian academic, who is Professor Emeritus of Physics at the University of Nigeria, Nsukka.

and PhD (Ibadan), FAS, NNOM, IOM[1] A pioneer of solar energy in Nigeria, Animalu is a physicist of international repute, member of the highest advisory body on Science and Technology to the Nigerian government, Honorary Presidential Advisory Council on Science and Technology (2001–03) and former Director National Mathematical Centre, Abuja.

[2] He was born on 28 August 1938, the fifth child to Michael Animalu Nwakudu and Josephine Nkenwa in Okuzu, Oba of Idemili South L.G.A.

Mathematics and proceeded to do doctorate research under the supervision of Prof. Heine at Cavendish laboratory, University of Cambridge, United Kingdom.

He was also appointed a member of the Research team working on the Moon landing mission supported by the U.S. Air Force.

His proposal to the Federal Government of Nigeria led to the establishment of a Centre for Energy Research and Development in the UNN in 1980.