[1] She attended Penarth County School for Girls and Girton College, Cambridge, where she studied mathematics.
She also worked at the Steward Observatory in Tucson, Arizona,[4] and at the Lunar and Planetary Institute in Houston, Texas.
[6][7] She co-compiled a 1968 catalog of TLPs for NASA,[8] with Jaylee Burley Mead, Patrick Moore, and Barbara Welther.
[14] She was associate general editor of a nine-volume series, Stars and Stellar Systems (1968), again working with Kuiper, and co-edited the volume Nebulae and Interstellar Matter (with Lawrence H.
[18] Middlehurst retired to Clear Lake City, Houston, where she died in 1995, aged 79 years, after a stroke.