Some local politician who was in the same room when I gave some presentation
Some Congresswoman
Ancient Congressman named John Dingell https://en.wikipedia.org/wiki/John_Dingell
Eisenhower (Eisenhower's and Dingell's terms overlap and they've almost certainly would've rubbed shoulders at least once. Plus, it's extraordinarily unlikely Dingell would've skipped all 6 State of the Union addresses Eisenhower would've given)
Stalin
Edit:
I suddenly remember being in the same room as Stephen Hawking one time. If being in the same room without having that person acknowledge your existence counts, it's
Some local politician who was in the same room when I gave some presentation
Some Congresswoman
Ancient Congressman named John Dingell https://en.wikipedia.org/wiki/John_Dingell
Eisenhower (Eisenhower's and Dingell's terms overlap and they've almost certainly would've rubbed shoulders at least once. Plus, it's extraordinarily unlikely Dingell would've skipped all 6 State of the Union addresses Eisenhower would've given)
Stalin
Edit:
I suddenly remember being in the same room as Stephen Hawking one time. If being in the same room without having that person acknowledge your existence counts, it's
Stephen Hawking
Queen Elizabeth II
George Marshall
Stalin