On the occasion of the 5th International Conference on African Development to be held in Yokohama in the beginning of June 2013 and the Second Hideyo Noguchi Africa Prize to be awarded, a special stamp issue was launched by Japanese post.
Hideyo Noguchi was a prominent Japanese bacteriologist who discovered the agent of syphilis as the cause of progressive paralytic disease in 1911. The Hideyo Noguchi Africa Prize honors men and women "with outstanding achievements in the fields of medical research and medical services to combat infectious and other diseases in Africa, thus contributing to the health and welfare of the African people and of all humankind." The prize, officially named "The Prize in Recognition of Outstanding Achievements in the Fields of Medical Research and Medical Services in Africa Awarded in Memory of Dr. Hideyo Noguchi," is managed by Japan International Cooperation Agency (JICA).
The first stamp shows the portrait of Dr. Hideyo Noguchi, a microscope, used by the scientist in his work, letter of Dr. Noguchi's mother with scientist's autograph and a flower of rhododendron, symbol of Fukushima Prefecture, motherland of Dr. Noguchi.
The second stamp features the globe with African continent to which Dr. Noguchi devoted his researches, and another portrait of the scientist.