Who appointed the Supreme Court judge who wrote the opinion in the Supreme Court case United States v. Williams ?
United States v. Williams (1992):  The opinion was written by Justice Scalia, and the dissent by Justice Stevens. Antonin Scalia:  Appointed to the Court by President Ronald Reagan in 1986, Scalia was described as the intellectual anchor for the originalist and textualist position in the Court's conservative wing.
President Ronald Reagan