all 14 mountains in the world over 8000 meters

Mountain name, location, height in meters, year of first ascent and first summiter(s).

1. Mount Everest,     Nepal/Tibet,        8848,    1953,    Edmund Hillary and Tenzing Norgay
2. K2,                Pakistan/China,     8611,    1954,    Achille Compagnoni  and Lino Lacedelli
3. Kangchenjunga,     Nepal/India,        8586,    1955,    George Band, Joe Brown, Tony Streather and Norman Hardie
4. Lhotse,            Nepal,              8516,    1956,    Fritz Luchsinger and Ernest Reiss
5. Makalu,            Nepal,              8463,    1955,    Jean Couzy, Lionel Terray, Jean Franco, Guido Magnone, Jean Bouvier, 
                                                                  Serge Coupé, Pierre Leroux, André Vialatte and Gyalzen Norbu
6. Cho Oyu,           Nepal,              8201,    1954,    Herbert Tichy, Sepp Jöchler and Pasang Dawa Lama
7. Dhaulagiri,        Nepal,              8167,    1960,    Kurt Dimberger, Peter Diener, Ernest Forrer, Albin Scelbert, 
                                                                  Michel Vaucher, Hugo Weber, Nawang Dorje and Nyama Dorje
8. Manaslu,           Nepal,              8163,    1956,    Toshio Imanishi, Kiishiro Kato, Minoru Higeta and Gyalazen Norbu
9. Nanga parbat,      Pakistan,           8125,    1953,    Hermann Buhl
10. Annapurna,         Nepal,              8091,    1950,    Maurice Herzog and Louis Lachenal
11. Gasherbrum I,      Pakistan/China,     8068,    1958,    Anderw Kauffmann and Pete Schoening
12. Broad Peak,        Pakistan/China,     8047,    1957,    Kurt Diemberger, Hermann Buhl, Markus Schmock and Fritz Wintersteller
13. Gasherbrum II,     Pakistan/China,     8035,    1956,    Sepp Larch, Fritz Moravel and Hans Willenpart 
14. Shisha Pangma,     Nepal/Tibet,        8013,    1964,    10 climbers from Tibet / China 

8000 meters is equal to 26250 feet.

Fifteen people have reached the summit of all of these (as of 2008-03-28). In chronological order (including the year they reached the final summit):

1. Reinhold Messner (Italy), 1986
2. Jerzy Kukuczka (Poland), 1987
3. Erhard Loretan (Switzerland), 1995
4. Carlos Carsolio (Mexico), 1996
5. Krzysztof Wielicki (Poland), 1996
6. Juanito Oiarzabal (Spain), 1999
7. Sergio Martini (Italy), 2000
8. Hong-Gil Um (South Korea), 2000
9. Park Young Seok (South Korea), 2001
10. Alberto Inurrategi (Spain), 2002
11. Han Wang Yong (South Korea), 2003
12. Vladislav Terzyul (Ukraine), 2004
13. Ed Viesturs (USA), 2005
14. Alan Hinkes (UK), 2005
15. Silvio Mondinelli (Italy), 2007

Facts from different sources such as: everest.com, britannica.com and various climbing websites.