Final answer:
Aaron Burr's divorce attorney was Alexander Hamilton Jr., and the cause of the divorce was Burr's adultery with Eliza Jumel. The divorce was finalized on the day Burr died in 1836.
Step-by-step explanation:
Aaron Burr's divorce attorney was Alexander Hamilton Jr., the son of Burr's political rival Alexander Hamilton. The divorce was filed by Burr's wife, Theodosia Bartow Prevost Burr, on the grounds of adultery. Burr's affair with Eliza Jumel was cited as the reason for the divorce, and it was granted on the day of his death in 1836.