His son Sadi Carnot visited him in Magdeburg in 1821 and it is clear that Lazare Carnot influenced his son. Sadi Carnot published his masterpiece on the thermodynamics of the steam engine three years later.
Kanyang anak Sadi Carnot binisita siya sa Magdeburg sa 1821 at ito ay malinaw na Lazare Carnot naiimpluwensyahan ng kanyang anak na lalaki. Sadi Carnot-publish na ang kanyang obra maestra sa termodinamika ng singaw ng engine ng tatlong taon mamaya.