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Jean Focas
Jean-Henri Focas (20 July 1909 – 3 January 1969) was a Greek-French astronomer. In Greek he was known as Ioannis Focas ((ギリシア語:Ιωάννης Φωκάς)). He worked at the Pic du Midi Observatory, investigating the surface features of Mars using visual and photographic techniques. A crater on the moon and a crater on Mars were named after him.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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