Which of these men did not serve as a Vice President of the US?

U.S. Presidents Who Never Served As U.S. Vice President:

1. George Washington
2. James Madison
3. James Monroe
4. John Quincy Adams
5. Andrew Jackson
6. William Henry Harrison
7. James K. Polk
8. Zachary Taylor
9. Franklin Pierce
10. James Buchanan
11. Abraham Lincoln
12. Ulysses S. Grant
13. Rutherford B. Hayes
14. James A. Garfield
15. Grover Cleveland
16. Benjamin Harrison
17. William McKinley
18. William Howard Taft
19. Woodrow Wilson
20. Warren G. Harding
21. Herbert Hoover
22. Franklin D. Roosevelt (ran but lost)
23. Dwight D. Eisenhower
24. John F. Kennedy
25. Jimmy Carter
26. Ronald Reagan
27. Bill Clinton
28. George W. Bush
29. Barack Obama
30. Donald Trump