This image of Benjamin Rush, who is considered to be the Father of American Psychiatry, dates from 1890. It was adopted by the the American Psychiatric Association as their official logo in 1921.
American Psychiatric Association Logo, 1921
But the peculiar character of [Aaron] Burr’s correspondence goes beyond his preoccupation with haste and secrecy. Burr never developed any ideas about constitutionalism or governmental policy in the way the other Revolutionary statesmen did, because, in truth, he was not much concerned about such matters. If he had any idea about the new federal Constitution of 1787, he left no record of it.
Empire of Liberty: A History of the Early Republic, 1789–1815 (2009)