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Manuel Peimert y Julieta Fierro
Manuel Peimbert (México, 1941).
Es investigador titular en el Instituto de Astronomía de la Universidad Nacional Autónoma de México (UNAM), profesor de la Facultad de Ciencias y miembro de El Colegio Nacional. Sus principales áreas de investigación son las propiedades físicas del medio interestelar y la evolución de la composición química de las galaxias.

Julieta Fierro (México, 1948).
Reconocida astrónoma y divulgadora de la ciencia a través de medios escritos, de la radio, de la televisión y dictando conferencias. Fue directora general de Divulgación de la Ciencia de la UNAM, directora del museo Universum y actualmente es miembro de la Academia Mexicana de la Lengua.
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Obras publicadas
La evolución química del universo