WHO DISCOVERED BLACK HOLES?

John Michell was first person who discovered Black Holes.
John Michell was born in 1724 of the 25 December in Eakring, Nottinghamshire, England. He was studied at Cambridge University and he

was learning how stars are giving out in the sky. He discovered Black holes on 27 November 1783. John Mitchell contended that there were systems of double stars. It’s the first evidence of the existence of Black Holes.

And after John Mitchell, Albert Einstein in 1916 predicted the existence of Black Holes.