Notes:

"Dr. John Rock, Harper’s Weekly, February 25, 1865.
Collection of the Supreme Court of the United States"
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"Did You Know…
First African American Admitted to the Supreme Court Bar

Dr. John Rock, a physician, was the first African American to be admitted to the Supreme Court Bar on February 1, 1865, on the motion of Senator Charles Sumner. Dr. Rock died on December 3, 1866, having never argued a case before the Court."