Three quiet men

See me on one
after a second din
I'm the third man
I stopped solving at four
and I'm on five

Hint

B

The answer is the four-letter word:

ABEL

See me on one

An image of the US President, Abraham Lincoln - i.e. "Abe L" - appears on the US one-cent coin.

after a second din

Write 'ABEL' after the second letter of the English alphabet (B) to get B+ABEL=BABEL, a word meaning 'din' (a confused noise made by a number of voices).

I'm the third man

The third man according to Genesis was ABEL, the son of Adam and the younger brother of Cain.

I stopped solving at four

In mathematics, Abel's impossibility theorem (also known as the Abel-Ruffini theorem) states that there is 'no solution in radicals to general polynomial equations of degree five or higher with arbitrary coefficients'. In other words, it stops solving at [degree] four.

and I'm on five

An image of the US President, Abraham Lincoln - i.e. "Abe L" - appears on the US five-dollar bill, as well as on the penny!

As for the Hint:

This singular letter 'B' represents a Bel, the base unit of measurement for the intensity of sound (most usually expressed in 'decibels').

The title relates to...

...the three men referenced in this puzzle: Abraham Lincoln, Abel in the Bible, and the mathematician Niels Henrik Abel. They are 'quiet' because in sound intensity terms they are only 'a bel' - very quiet indeed!

• thanks! I was puzzling on that one for DAYS and I was considering wordplay but nice :) Mar 5, 2023 at 17:29