John D. Rockefeller, financier Saul Steinberg and Blackstone’s Stephen Schwarzman all called the same unit at 740 Park Ave.
The prewar apartment is located at the exclusive 740 Park Avenue.
Following David Koch's passing in August 2019, Julia Koch inherited his substantial 42% stake in Koch Industries, consolidating her position as a major shareholder in the company.
TORONTO — Julia Koch and her 25-year-old son David Koch Jr ... a source familiar with the situation told The Post. Now ...