Background
Yusuke Hagiwara was born in 1897 in Osaka, Japan.
Yusuke Hagiwara was born in 1897 in Osaka, Japan.
In 1921, he graduated from Tokyo University. Studied also in Europe and the United States. Studied in the United States on a Rockefeller scholarship.
In 1923, he served as an assistant professor at his alma mater, at Tokyo University. In 1930, won his Dr. of Sci. degree and in 1935 became a professor of his alma mater concurrently director of the Tokyo Astronomical Observatory. An authority on gravitation astronomy, he wrote a book on the subject.