His work with chemical fumes at both the Navy Yard and the Boston Gas Company caused his health to deteriorate, and he died in 1848 as a result of the chemical exposure.
Karyanya dengan uap kimia di Navy Yard dan Perusahaan Gas Boston menyebabkan kesehatannya memburuk, dan ia meninggal pada tahun 1848 sebagai akibat dari paparan bahan kimia.