Aww, man! How sad.
For those who don't know, during most of Stan Lee's tenure at Marvel in the 1960's, Flo Steinberg was the secretary at Marvel Comics, and had a reputation as the sweetest and most personable lady Marvel could possibly have had for the job. Many fans who ventured into the office found a friendly face at Marvel because of Steinberg, and a number of them later became professional writers and artists.
In a
topic I posted a while back, with photos of Marvel staffers, I posted photos of her.
COMIC BOOK ARTIST a few years back devoted the better part of a whole issue to her, with an interview about her time at Marvel.
She published a one-shot underground in 1975 titled BIG APPLE COMIX, with art by Neal Adams, Wally Wood, Ralph Reese and other artists.
In one of the oddest books in my collection, a WHAT IF issue (circa 1978) had Marvel staffers get the powers of the FF, including Stan Lee, Jack Kirby and... Flo Steinberg.
She was 78 years old.
https://en.wikipedia.org/wiki/Flo_Steinberg