Read the bio below and try to give details on joseph proust 's: - death place - birth name - death date - dead - birth date - quotation - birth place - occupation Bio: joseph louis proust -lrb- september 26 , 1754 -- july 5 , 1826 -rrb- was a french chemist . he was best known for his discovery of the law of constant composition in 1799 , stating that chemical compounds always combine in constant proportions .
The answer to this question is:
- death place is angers , france- birth name is joseph louis proust- death date is 5 july 1826- dead is dead- birth date is 26 september 1754- quotation is unknown- birth place is angers , france- occupation is chemist