William Thomson, Lord Kelvin, Pillar of Modern Thermodynamics (1824-1907)

Hermann von Helmholtz, Physiological Physicist (1821-1894)

Josiah Willard Gibbs, The Re-inventor of Physical Chemistry (1839-1903)

Julius von Mayer, A Pillar of Thermodynamics (1814-1878)

Rudolf Clausius, The Man Behind the Concept of Entropy (1822-1888)

Sadi Carnot, Father of Thermodynamics (1796-1832)

James Prescott Joule, Energy Theorist (1818-1889)

James Watt, Designer of Industrial Steam Engines (1736-1819)

Edme Mariotte, Pioneer in the Thermodynamics of Gases (1620-1684)