Kyklophobia

I always thought that it just was a rumor that he had a fear of round objects, however:

“He had an obsession with pigeons and an aversion to women wearing earrings, contributing to his reputation as eccentric.”

Source: https://www.aaas.org/taxonomy/term/10/brilliant-and-tortured-world-nikola-tesla

“He was obsessed with cleaning the dining table, and he also had a fear of round objects.”

Source: https://rationalwiki.org/wiki/Nikola_Tesla

“On top of being afraid of germs, he also disliked touching hair. And pearls drove him crazy, though no one knows why.”

Source: https://avondalemeadowsacademy.com/3-things-you-really-want-to-know-about-inventor-nikola-tesla/

Regardless, he was a fascinating gentleman. https://en.m.wikipedia.org/wiki/Nikola_Tesla

**EDIT:**corrected link