The source is the U.S. Supreme Court:

https://www.uscourts.gov/educational-resources/educational-activities/supreme-court-activity

Front row left to right, Associate Justices:

• Sonia Sotomayor

• Clarence Thomas

• Chief Justice John G. Roberts, Jr.

• Samuel A. Alito, Jr.

• Elena Kagan.

Back row left to right, Associate Justices:

• Amy Coney Barrett

• Neil M. Gorsuch

• Brett M. Kavanaugh

• Ketanji Brown Jackson.

  
  Photo Credit: Fred Schilling, Collection of the Supreme Court of the United States

https://www.supremecourt.gov/about/justices.aspx