Question: William John Macquorn Rankine, was a Scottish mechanical engineer who also contributed to civil engineering, physics and mathematics, who was a founding contributor to the science of thermodynamics, which German physicist and mathematician is this?
Sentence (from "Rankine cycle"): The Rankine cycle is a model that is used to predict the performance of steam turbine systems, though the theoretical principle also applies to reciprocating engines such as steam locomotives.
Relevant evidence: No