Hideo Itokawa (?? ??, Itokawa Hideo, July 20, 1912 – February 21, 1999) was a pioneer of Japanese rocketry, popularly known as "Dr.
Rocket," and described in the media as the father of Japan's space development.The near-Earth asteroid 25143 Itokawa, named in honor of Itokawa, is notable as the target of the Hayabusa mission.