Eduardo Aguirre Pequeño y Yuriria, Mexican biologist (Hualahuises, Nuevo León State 14 March 1904 – Monterrey 18 July 1988)

Proved that the causative agent of pinta was Treponema carateum (1939) and developed treatment for it

Developed a diagnostic method for Plasmodium vivax at microscope

Found Bufo valliceps Wiegmann for biological pregnancy test (1948)