When was John Gardner Coolidge's aunt born?
Isabella Stewart Gardner Isabella Stewart Gardner (April 14, 1840 – July 17, 1924) was a leading American art collector, philanthropist, and patron of the arts. She founded the Isabella Stewart Gardner Museum in Boston.
Blanchette Ferry Rockefeller Blanchette Ferry Hooker (October 2, 1909 – November 29, 1992) was the wife of John D. Rockefeller III and mother of Jay Rockefeller. She was twice president of the Museum of Modern Art.