Question: Did Cody Nelson and Gustave-Adolphe Hirn share the same nationality?
Sentence (from "Gustave-Adolphe Hirn"): Gustave- Adolphe Hirn( August 21, 1815 – January 14, 1890) was a French physicist, astronomer. mathematician and engineer who made important measurements of the mechanical equivalent of heat and contributions to the early development of thermodynamics.
Relevant evidence: Yes