1:
He was obsessed with doing things in threes and would only stay in a hotel room with a room number divisible by three. Indeed, he lived the last ten years of his life in room 3327 on the 33rd floor of the Hotel New Yorker.
2:
He never married and claimed his celibacy aided his scientific abilities.
3:
Tesla and Mark Twain were close friends.
4:
He made his first million at forty, but was unconcerned with material objects and gave away nearly all the royalties on his inventions after that.
5:
He found jewellery disgusting, especially pearl earrings.
6:
He once fired a secretary for being too fat, and sent another home to change into more tasteful attire.
7:
He was a feminist, of a sort:
"This struggle of the human female toward sex equality will end in a new sex order, with the female as superior."
Nikola Tesla
8:
He spoke eight languages.
9:
He is the only physicist to date to be portrayed on film by David Bowie.
10:
Nikola Tesla died on 7th January 1943.