Facts:   - death place: auteuil -lrb- now a part of paris -rrb-    - prizes: rumford -rrb- matteucci medal -lrb- 1875 -rrb- medal -lrb- 1848 -rrb- copley medal -lrb- 1869    - caption: henri victor regnault    - influences: justus von liebig    - death date: 19 january 1878 21 july 1810    - field: thermodynamics      - influenced: william thomson    - birth date: yes 21 july 1810    - name: henri victor regnault    - image size: 270px    - nationality: france    - image: henri victor regnault 1860s.jpg    - birth place: aachen    - alma mater: École polytechnique   Based on these bullet points, write a short biography describing the life of henri victor regnault .
The answer to this question is:
henri victor regnault -lrb- 21 july 1810 -- 19 january 1878 -rrb- was a french chemist and physicist best known for his careful measurements of the thermal properties of gases .he was an early thermodynamicist and was mentor to william thomson in the late 1840s .