Johann Kaspar Hechtel (1 May 1771 – 20 December 1799) was a German businessman, owner of a brass factory in Nuremberg, non-fiction writer and designer of parlour games including the prototype for the Petit Lenormand cartomancy deck.
According to published biographies, Hechtel also contributed anonymously to some treatises on physics.
Source: This is a scanned copy of an engraved portrait dated 1800 owned by Helen Riding who uploaded this image. License: CC-PD-Mark PD-Art (PD-old-100)