Image: https://cdn.xn--cumpleaosdefamosos-t0b.com/gallery/2017/1/percy-lavon-julian/percy-lavon-julian-pioneering-chemist-su-investigacion-condujo-a.jpg
Percy Lavon Julian
professions.cientifico de Estados Unidos
Image: https://cdn.xn--cumpleaosdefamosos-t0b.com/gallery/2017/1/percy-lavon-julian/percy-lavon-julian-pioneering-chemist-su-investigacion-condujo-a.jpg
professions.cientifico de Estados Unidos