The President can nominate Supreme Court justices (including the Chief Justice) and federal judges, but the Senate must vote their approval before the person is actually appointed.
NO
No
just the president himself
The US Supreme Court does not have the authority to appoint ambassadors. Ambassadors and other foreign dignitaries are appointed by the US President and approved by a simple majority vote of the Senate.
President Garfield appointed only one US Supreme Court justice, Stanley Matthews, who served from 1881-1889.
Jimmy Carter and William Henry Harrison did not appoint any Supreme Court Justices.
The first African-American to serve on the US Supreme Court was Thurgood Marshall, who was appointed by President Lyndon B. Johnson.
The Senate
The US President. Congress however has to ratify the Presidential appointments.
Most recently, President Obama appointed Elena Kagan (2010) and Sonia Sotomayor (2009) to serve as an Associate Justices on the Supreme Court. The only President in recent history who didn't appoint a US Supreme Court justice was Jimmy Carter. To view a list of all past and present members of the Supreme Court in a pdf file, feel free to click on the link to the US Supreme Court's website under Related Links below.
the us senate must confirm the president's appointment
Four US Presidents did not appoint any Supreme Court justices:William H. HarrisonZachary TaylorAndrew JohnsonJimmy CarterJimmy Carter is the only President of the four who served a full term.