German Fahnenjunker (en: officer cadet; literal: colors junker) Otto Braun (1897-1918) in the age of 17 or 18 as dispatch rider in the replacement squadron of the Chaser Regiment  on Horse No. 4 of the 17th Army Corps as part of the 8th German Army in summer of 1915 near Warsaw in Poland naked on a horse in the river Bzura. The picture could have been initiated by the wound below his right knee. On this occasion Braun wrote the poem <i>Afternoon at the Bzura</i>.
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