No it's made by the circle that how they get the circle not the center.
It is typically named using one point, which is the center. Sometimes, a circle could be referred to "a circle with diameter AB" in which two points are named. However, you need three non-collinear points to uniquely determine a circle.
The radius is not named after any person.
A circle is named by it's center point. For instance, let's say you have a circle, complete with chords, radii, a central angle, a center point, etc., etc. We'll say the central point is named "R." Therefore, your circle is named "Circle R."
The Columbus Circle in New york is named after Christoper Columbus. This circle was completed in 1905. Columbus Circle is a must see landmark and iconic attraction in the city.
Euclid discovered the circle and he named his geometry "Euclidean geometry "
ARC is the answer
You can completely specify a circle in a plane by giving the coordinates of its center point, and the length of the radius.