Browse Items (11 total)

Letter from Elizabeth Williams to Percival Lowell discussing least square solutions.

Telegram from Elizabeth Williams to Percival Lowell discussing computations of Neptune and Planet X.

Letter from Elizabeth Williams to Wrexie Leonard discussing a computational error in "Planets and Their Satellites."

George Hall Hamilton and Elizabeth Williams

Elizabeth Williams with Ursula Louise Ring and George Hall Hamilton

Letter from Elizabeth Williams to Johnson O'Connor discussing coordinates of Jupiter's fifth moon (Amalthea).

Two letters between Elizabeth Williams and Thomas Gill discussing the publication of a method for adapting least squares to machine computation.

Newspaper account of Elizabeth Williams' speech at MIT's commencement and her studies in math and physics at the school.

Trans-Neptunian planet (Planet X) computations by Elizabeth Williams, who worked in Percival Lowell's Boston office as a computer, i.e. a person who manually made calculations.

Letter from Elizabeth Williams to Percival Lowell discussing mathematical calculations of Planet X and Uranus. Williams worked in Lowell's Boston office for many years as a computer, making calculations associated with Lowell's search for Planet X.