Francisco Leon y Blanco, Cuban-born Mexican pathologist (Guantanamo, Cuba 04 July 1904 – 1960)

From Chinese and Spanish descent

With Cuban J.A. Armenteros discovered Treponema herrejoni as etiologic agent of mal de pinto independent from Saenz & Triana (1938)

Proposed modern conception of pinto and demonstrated the experimental transmission of this disease in man

Estudios sobre la etiologia del mal de pinto: la transmisión experimental del mal de pinto de persona a persona. Nota preliminar. Rev. Mex. Medicina 19:17-22, 1939

Described initial and secondary lesions of pinta or mal de pinto

Proposed the term pintides for disseminated secondary lesions of pinta

With F. Latapí. Las lesiones del principio del mal de pinto. Una nueva dermatosis. Rev. Mex. Medicina 20:315, 1940

Eponym of Leon Blanco disease or mal de pinto