Question

In what this people are famous ?​

Answer 1

Answer: Stephen Hawking worked on the physics of black holes. He proposed that black holes would emit subatomic particles until they eventually exploded. He also wrote best-selling books, the most famous of which was A Brief History of Time: From the Big Bang to Black Holes (1988).

Helen Adams Keller (June 27, 1880 – June 1, 1968) was an American author, political activist, and lecturer. She was the first deaf-blind person to earn a Bachelor of Arts degree. ... A prolific author, Keller was well-traveled and outspoken in her convictions.

Explanation: hope this helps

Answer 2

Answer:

Stephen hawking was a great scientist

helen keller is an American author