Priscilla Fairfield Bok was an American astronomer

Astronomer

An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

 and the wife of Dutch-born astronomer Bart Bok

Bart Bok

Bart Jan Bok was a Dutch-American astronomer.He was born in the Netherlands, but spent a good deal of his childhood days growing up in what was then known as the Dutch East Indies. He was educated at the Leiden and Groningen Universities. In 1929 he married fellow astronomer Dr...

, whom she married in 1929. The two worked together over much of the twentieth century. They mapped the spiral arms of the Milky Way Galaxy and studied the make-up and changes of star clusters. One of the craters on the Moon

Moon

The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

 is named Bok

Bok (lunar crater)

Bok is a lunar crater that is located on the far side of the Moon. To the southeast is the crater Sniadecki; to the north is McKellar, and further to the west is De Vries....

in honor of the contributions she and her husband made to lunar astronomy.