,Engraving,SIL14-T003-09a_cropped.jpg/283px-JohnTyndall(1820-1893),Engraving,SIL14-T003-09a_cropped.jpg "John Tyndall") | John Tyndall FRS was a prominent 19th century physicist. His initial scientific fame arose in... more » |
 | Johnny Dawes is a British rock climber. He is famous for his dynamic style and often very bold... more » |
 | Jon Gardey was a mountaineer. more » |
| Jonathan James Kedrowski is an author, speaker, ski-mountaineer and geographer. Kedrowski is... more » |
 | Jon Krakauer is an American writer and mountaineer, primarily known for his writings about the... more » |
 | Jordan Romero is an US Citizen mountain climber who, on May 22, 2010, became the youngest person... more » |
 | José Antonio Delgado Sucre was the first Venezuelan mountaineer to reach the summit of five... more » |
| Joseph Anton Specht was a mountaineer and an entrepreneur. more » |
| Joseph Bortis is a chamois hunter and a mountaineer. more » |
| Joseph Brocherel was a mountaineer. more » |
| Joseph F. Goodrich was an American missionary, botanist, and mountaineer. more » |
| Joseph Jöchler was a mountaineer. more » |
 | Joseph Nisbet LeConte was a noted explorer of the Sierra Nevada. He was also a cartographer, a... more » |
| Joseph William Andrew Hickson was a Canadian psychologist and mountaineer. As a mountaineer, he... more » |
| Juan Harseim was a mountaineer. more » |
 | Juan Eusebio Oiarzabal Urteaga commonly known as Juanito Oiarzabal is a noted Spanish Basque... more » |
| Julie Tullis was a British climber and film-maker who died on the descent of K2 during a storm... more » |
| Julien Vallières was a mountaineer. more » |
 | Julius Kugy was an Austrian–Italian mountaineer and writer. He wrote mostly in German. He is... more » |
.jpg/180px-Luckhardt_-_Julius_von_Payer_(ÖNB_8080757).jpg "Julius von Payer") | Julius Johannes Ludovicus Ritter von Payer was an Austro-Hungarian military officer,... more » |
 | Junko Tabei is a Japanese mountain-climber who, on May 16, 1975, became the first woman to reach... more » |
| Justyn Wojsznis was a mountaineer. more » |
