Archimedes is the first person recorded to have designed and built an elevator, in about 236 BC. Who is credited with introducing the safety elevator, which did not fall if the cable broke?
The ans is - Elisha Otis (1811-1861)
Who was the first person to win a Tony Award, an Academy Award and an Emmy Award in the same year, and the only person to have won all 3 awards in the category of "Best Director"?
