Answer:
Booker T. Washington.
Explanation:
On April 7, 1940, Booker T. Washington became the first African-American to be depicted on a postage stamp. He was born in slavery in 1856. As millions more, he got emancipated after the Civil War. He worked very hard as a miner but he cared much about personal education. He went to Hampton Institute and eventually became a teacher, an educator.
True, post WW2 Japans economy boomed and especially in that time they became a world economic power and today they are still one of the strongest economies in Asia.
He interviewed explorers and propagandized their stories in a popular book.