Her maternal grandparents were the Reverend Charles Francis Rice and Miriam Owen Jacobs.

[3] She joined the United States Department of State during World War II and subsequently worked in the Board of Economic Warfare at the U.S. Embassy in London, the Office of the Assistant Secretary for Economic and Social Affairs, the Policy Planning Staff and the Bureau of European Affairs.

[5] She left the State Department in 1954 following her marriage and began writing a series of books on European economic co-operation and its relationship with the US.

[6] She put forward the view that Britain had made a mistake in delaying its entry into the EEC for so long.

She was the first woman to be vice chair of the U.S. State Department's Planning Council.