L-R, Reb Itzikel Of Amnshinon-Boro Park; Reb Yankel Alter, then son of the Gerrer Rebbe, currently Gerrer Rebbe. Reb Itzikel was a nephew of Reb Shimele Amshinover (who was in Japan and Shanghai during WW2) and had a small shtiebel on 15th Avenue in Boro Park. You could've lived around the corner your whole life and never seen or heard of him. That's how low-key he was.
And here's a sefer, recently published, about his father zt"l and older brother hy"d:
