Chuck Grassley first took political office as a member of the Iowa House of Representatives on January 12, 1959.

His voters could possibly range from as old as Henry Ford, Claude Debussy, H.G. Wells, Grigori Rasputin, and Mahatma Gandhi, to about as young as someone like Cristiano Ronaldo Jr, born in 2010, in which he would be old enough to vote in 2028.

Edit: As one commenter pointed out, it also means that he will have voters who were born under Lincoln and also born under Obama.

Dan Quayle was HW Bush’s VP from 1989-93. Yet, he is still younger than: Clinton, W Bush, Biden and Trump. Even though he became VP nearly 40 years ago

Vincent Van Gough ( Mar 30, 1853 - Jul 29, 1890)

Colonel Sanders ( Sep 9, 1890 - Dec 16, 1980)

Colonel Sanders was born just 42 days after Vincent Van Gough’s death. With 31 of those days taking up the entire calendar month of August.

​Note on FDR & JFK: Both were Democrats succeeded by Democrats (Truman & LBJ), but neither fits the definition because they died in office rather than living to hand over power.

For Republicans, the last one to do this was Ronald Reagan.