Happy birthday Katherine Johnson!

HAMPTON, Va. (WTHR) — Happy birthday Katherine Johnson!

The renowned NASA mathematician is celebrating her 101st birthday.

Johnson is known for calculating the orbital equations for the trajectories of the Friendship 7 missions in 1961 and 1962, according to NASA.

She plotted the path for Alan Shepherd's 1961 journey to space as well as John Glenn becoming the first American to successfully orbit Earth in 1962, according to Biography.com.

She also assisted in several Apollo missions.