Republican Party Presidents since 1953 have selected the vast majority of Supreme Court Justices!
Dwight D. Eisenhower 5
Richard Nixon 4
Gerald Ford 1
Ronald Reagan 4
George H. W. Bush 2
George W. Bush 2
Donald Trump 3
Total 21 with William Rehnquist listed twice under Nixon and Reagan
in 40 years of Republican Presidents
Democratic Party Presidents have had far fewer appointments!
John F. Kennedy 2
Lyndon B. Johnson 2
Jimmy Carter 0
Bill Clinton 2
Barack Obama 2
Joe Biden 1
Total 9
in 32 years of Democratic Presidents
So twice as many Repubican appointments as Democrats!
Eisenhower had Chief Justice Earl Warren, Associate Justice Potter Stewart, and Associate Justice William Brennan stand out!
Nixon had Chief Justice Warren Burger and Associate Justice Harry Blackmun stand out!
Ford had Associate Justice John Paul Stevens stand out!
Reagan had Associate Justice Sandra Day O’Connor and Associate Justice Anthony Kennedy stand out!
H W Bush had Associate Justice David Souter stand out!
On the Democratic side:
Kennedy had Associate Justice Byron White stand out!
Johnson had Associate Justice Thurgood Marshall stand out!
Clinton had Associate Justice Ruth Bader Ginsburg and Associate Justice Stephen Breyer stand out!
Obama had Associate Justice Sonia Sotomayor and Associate Justice Elena Kagan stand out!
Biden had Associate Justice Ketanji Brown Jackson stand out!
So 9 Republican appointments and 7 Democratic appointments have stood out!
Now, sadly, we have a group of appointments by Republican Presidents (the two Bushes and Donald Trump) that have been extremist and involved in conflicts of interest, and are not interested in being in the moderate center of constitutional law!
These include Clarence Thomas, Samuel Alito, Brett Kavanaugh, Neil Gorsuch, and sadly, Chief Justice John Roberts!