Sir: We have lost a precious gem, Dr Ruth Pfau. She has spent her whole life in Pakistan for serving humanity and leprosy. She passed away in 10 august 2017 at the age of 87. In 1996 the World Health Organisation (WHO) declared Pakistan as leprosy-free country because Dr Ruth Pfau struggle and services. She was a German, left her country to Pakistan and stayed here till her death. We must appreciate her with ability and we must celebrate her anniversary every years. WAQAR RASHEED Turbat Published in Daily Times, August 20th , 2017.