Simplify the following text for a Grade 11 native English-speaking person.
Original: In 1910 he began teaching at Charterhouse School , Godalming , Surrey , where he met the poet Robert Graves , then a pupil ; in his autobiography , Goodbye to All That , Graves remembered Mallory , who acted as best man at Robert Graves ' wedding in 1918 , fondly both for his encouragement of Grave 's interest in literature in poetry and his instruction in climbing .
Simplified: In 1910 he began teaching at Charterhouse School , Godalming , Surrey , where he met the poet Robert Graves , then a pupil , and he went on to act as best man at Graves ' wedding in 1918 . In his autobiography , Goodbye to All That , Graves remembered Mallory fondly both for his encouragement of Graves ' interest in literature and poetry and his instruction in climbing .