Nabor Carrillo Flores (1911, in Mexico City – 1967) is the third son of Mexican composer Julián Carrillo Trujillo, and younger brother of Antonio Carrillo Flores. He did his first studies in Mexico City and he continued them in New York City. On his return to Mexico, he made his studies of preparatory and those of civil engineering at the National University (UNAM), where he graduated in 1939. He received a Guggenheim Fellowship in 1940, and his PhD from Harvard University, where he had also received his MSc in 1941. He taught and did scientific research at UNAM. He represented Mexico in the atomic test of the atoll of Bikini in 1946. He was named technical advisor of the Mexican delegation in the Commission on Atomic Energy of the United Nations for the pacific use of atomic energy.