IU Mathematics professor from 1856 to 1886 was fundamental in proving theorums regarding celestial objects. Notably, Kirkwood's law says that
"The square of the number of rotations made by a planet during one revolution around the sun, is proportional to the cube of the diameter of its sphere of attraction; or."
His advancement in astronomy led to the campus Observatory being named after him, as well as Kirkwood Hall and Kirkwood Ave.
