William John Macquorn Rankine

William John Macquorn Rankine (born July 5, 1820 in Edinburgh – died December 24, 1872 in Glasgow) was a Scottish physicist and engineer. He developed the Rankine scale. He made many important contributions to the thermodynamics. His manuals of engineering science and practice were used for many decades after their publication, in the 1850s and 1860s.