There 14 big boys in the world which are above 8000 mts + and the following great climbers have achieved this :

1.) Reinhold Messner (ITA) in 16 years 1970/86, at age 42.

2.) Jerzy Kukuczka (POL) in 8 years 1979/87 at age 41.

3.) Erhard Loretan (SUI) in 13 years 1982/95 at age 36.

4.) Carlos Carsolio (MEX) in 11 years 1985/96 at age 33.

5.) Krzysztof Wielicki (POl) in 16 years 1980/96 at age 46.

6.) Juan Oiarzabal (Spain) in 14 years 1985/99 at age 43.

7.) Sergio Martini (ITA) in 24 years 1976/2000 at age 49.

8.) Park Young Seok (Korean)

9.) Hong-Gil Um (Korean)

10.) Alberto Inurrategui in 10 years 7 months and 16 days to achieve this feat. All the peaks was climbed without bottled oxygen.

11.) Mr. Han Wang Yong (1966), Ilsan-Gu Kyungi-Do, Korea

12.) Ed Viesturs (American)

13.) Alan Hinkes (British)

14.) Silvio Mondinelli

15. ) Ivan Vallejo

16.) Denis Urubko

17.) Andrew Lock

Climbers that has died with 10 or more of the 14 8000 meter peaks include: Felix Inurrategi 13), Christian Kuntner (13, died on Annapurna), Marcel Ruedi, and Benoit Chamoux.