Real estate loses deal-maker Sarah Korein.

Sarah Korein, one of New York's toughest, sharpest and yet largely unknown deal-makers, passed away on October 29th, leaving an estate that includes major buildings acquired over more than 60 years of creative deal-making.

At her death, she owned the ground under One Penn Plaza, Lever House, the Swiss Center, 120 Broadway, 111 Broadway, 111 Wall Street, and Colt Industries, a/k/a the Bank of Montreal Building at 430 Park Avenue, and owned and operated 295 Madison Avenue, the Delmonico Hotel at 502 Park Avenue, and the residential