This evergreen tune was written in 1931 by Herman Hupfeld.
I haven't heard of him in connection with any other music.
But he composed a corking tune here.
It's been used in countless films and TV series, and always fits right into the plot.
See here: https://en.wikipedia.org/wiki/As_Time_Goes_By_(song)
I love playing it.
Here it is :
And another here :
Please enjoy.
John.