Private Quelch was highly ambitious,tireless,hardworking and enthusiastic.He worked hard to get a commission. He borrowed training manuals and stayed late up nights studying them.That is appreciable. However Private Quelch loved to exhibit his knowledge. He could never resist a chance to show off.He used to irritate his superiors in in their training classes.He corrected others mistakes publicly.Private .His habit of flauting his knowledge irritated his seniors and his fellow soldiers.At first his fellow soldiers used to appreciate him but soon they lived in terror of his approach. Quelch was lanking,stooping and frowning through horn rimmed spectacles.Hence he was nicknamed as the professor.Moreover he wae also a man who knew too much.While Corporal Turnbull was giving his lectures Quelch interrupted him again and again.This annoyed Corporal Turnbull.So he announced Quelch's name for the permanent cookhouse duties.He might have done that in order to take revenge.