He is the world’s only person who has climbed all the 14 peaks of the mountains without using oxygen cylinders –

The correct answer is B. Reinhold Messner.

Reinhold Messner is an Italian mountaineer who was the first person to climb all 14 of the world’s eight-thousanders (mountains over 8,000 meters) without using supplemental oxygen. He is also the first person to climb Mount Everest without using supplemental oxygen.

Henry Ford was an American industrialist who founded the Ford Motor Company. He is credited with developing the assembly line, which revolutionized manufacturing.

Jhon Hen is not a real person.

Bachhendri Pal is an Indian mountaineer who was the first Indian woman to climb Mount Everest.