Correspondence on thermodynamics between Douglas Robert Wilkie and Kenneth George Denbigh File of correspondence between Wilkie and Kenneth George Denbigh FRS on thermodynamics, including Wilkie seeking assistance on integral expressions for thermodynamic functions; discussion of a discrepancy between the two methods of calculating the maximum work obtainable from a chemical reaction; non-isothermal maximum work; reference to "exergy"; and finally, Wilkie drawing Denbigh's attention to an existing vacancy as Professor of Physiology at Queen Elizabeth College, University of London, in case he can recommend anyone. 1970-1974