Original: George Herbert Leigh Mallory ( 18 June 1886 & ndash ; 8\/9 June 1924 ) was an English mountaineer who took part in the first three British expeditions to Mount Everest in the early 1920s .
Simplified: In 1896 , Mallory went to Glengorse , a boarding school in Eastbourne on the south coast of England , having already transferred from a school in West Kirby .