A Greek man know as 'The Father of Classical Equitation' (430-ca 335 B.C.). He wrote the first fully preserved manual on the care of the riding horse- "The Art of Horsemanship".
Xenophon is a small lunar crater that lies across the southern rim of the Fermi walled-plain, to the west of the Tsiolkovskiy crater. South of Xenophon is 'Zhiritskiy F', a satellite crater of Zhiritskiy to the south-southwest.