There may still be a plaque near the railing around what was the historic operating theater attached to Roosevelt Hospital at the corner of 59th and Columbus citing the Zimmermann family as donors of that railing. St Michael's Church at 99th and Amsterdam has extensive Tiffany appointments. If memory serves, the mosaic behind the chapel altar was given by the Zimmermanns. They were her folk.
There's a story, probably legend, that some of her Jewish colleagues, not realizing she wasn't of the tribe, invited her to a Passover Seder. Not liking what was serves she supposedly reached into her purse, pulled out a ham sandwich and started to eat.