Christopher Brown is a Canadian who is presently living in England. While working at a Canadian airport, he saw the need for someone with a knowledge of sign language to deal with the many hearing impaired passengers who passed through. Thus he started to learn to sign and continued to study sign language until he left Canada. He became well known with the travelling public throughout western Canada and was often invited to attend various events which took place within the deaf community. Since relocating to the United Kingdom, he has been registered with the American Embassy in London and is occasionally able to assist with people visiting Great Britain. His knowledge of sign language remains current, as he is able to practise and revise during frequent visits to Canada and the U.S.A. and is also a regular visitor at the Tobago School For The Deaf and Hearing Impaired.Brown, Christopher is the author of 'Art of Sign Language' with ISBN 9781856486361 and ISBN 1856486362.