Conversation so far:
What are the Nuremberg trials?
The Nuremberg trials were a series of military tribunals held after World War II by the Allied forces under international law and the laws of war.
Did William J. Donovan prosecute Nuremberg trial criminals himself?
William J. Donovan criticized William Harding Jackson's lack of skill and experience at putting together a case and at courtroom examination and cross-examination. Jackson removed Donovan from the team
Who invited William J. Donovan to the Nuremberg trials prosecution team?
William Harding Jackson, discovering that the OSS was the only agency that had seriously explored the issue, invited William J. Donovan to join his trial staff
Was the Nuremberg trials prosecution team successful?
Twelve of the accused were sentenced to death, seven received prison sentences (ranging from 10 years to life sentence), three were acquitted, and two were not charged.
What are some other interesting aspects about William J. Donovan's time with the Nuremberg trials besides lobbying for the trial, being invited to the prosecution team but not prosecuting the criminals himself?
William Harding Jackson lobbied Harry S. Truman in person to approve of William J. Donovan's plans for a permanent postwar intelligence agency.
Did Harry S. Truman approve the plans for a permanent postwar intelligence agency
William J. Donovan's permanent postwar intelligence agency lobbying effort was unsuccessful, however. On September 20, 1945, Harry S. Truman signed an executive order abolishing the OSS.

Question: was Donovan involved with any other presidents?
Self-contained rewrite: Was William J. Donovan involved with any other presidents besides Harry S. Truman?