Anthemius of Tralles

lived from 474 to 534

Anthemius was the Byzantine architect who replaced the old church of Hagia Sophia at Constantinople. He described the construction of an ellipse with a string fixed at the two foci and he described the focal properties of the parabola.

Find out more at:
http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Anthemius.html