Hans Peter Jørgen Julius Thomsen
Hans Peter Jørgen Julius Thomsen (16 February 1826 – 13 February 1909) was a Danish chemist noted in thermochemistry for the Thomsen–Berthelot principle. == Life and work == Thomsen was born in Copenhagen, where he spent his life.
Source: Wikipedia — Hans Peter Jørgen Julius Thomsen (CC BY-SA 4.0)