Lester is a particle physicist.

simple google search query of ``4511932`` results give us a few interesting results, notably we see that there is a site 4511932.com with a clear connection and a deviantart fan page is another, but on the 2nd page the less-immediately clear link is a .gov domain; https://www.osti.gov/biblio/4511932 which tips us off I think, being that this is research documenting what would have been (in its' time) ground breaking research in physics and particle scattering experiments from the mid-to-late 1960's.

You can download the source here; https://authors.library.caltech.edu/records/p7n0b-jzd61/files/BARprl66.pdf?download=1

I wonder if Éric Chahi could comfirm this?