List of Famous people named Kiyotsugu

Here are some famous Kiyotsugus:

Kiyotsugu Hirayama

First Name Kiyotsugu

Born on October 13, 1874

Died on April 8, 1943 (aged 68)

Born in Japan, Miyagi Prefecture

Kiyotsugu Hirayama was a Japanese astronomer, best known for his discovery that many asteroid orbits were more similar to one another than chance would allow, leading to the concept of asteroid families, now called "Hirayama families" in his honour.

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