What was the first name of the federal official named Nixon whom the U.S. Senate impeached?

Walter was the first name of the federal official named Nixon whom the U.S. Senate impeached.

Walter L. Nixon, Jr., a judge of the U.S. District Court for Mississippi, was removed from office on November 3, 1989, after appearing before the Senate in its role as court of impeachment.

President Richard Nixon resigned from office in August 1974 before the criminal proceeding known as impeachment could begin.

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