Tesla&#x27;s portrait – Blue Portrait, 1916, painted by then-Hungarian princess, Vilma Lwoff-Parlaghy. Tesla was 6 ft 2 in (1.88 m) tall and generally weighed 142 pounds (64 kg). Although many of Tesla&#x27;s progenitors were dark-eyed, his eyes were gray-blue. He claimed that his eyes were originally darker, but as a result of the exorbitant use of his brain, their hue changed. However, his mother and some of his cousins possessed gray eyes, so it can be inferred that the gray of his eyes was…