When will Ni Shitian die?

Does the subject want to ask "When did Teacher Ni die"? 20 12. Ni's family refers to Ni Xiahai, a great Chinese medicine teacher and a person who inherits Chinese medicine. Ni died on 20 12. Ni's family is the initiator of TCM and is called the defender of TCM by many people. He is familiar with many techniques of Chinese medicine, such as Chinese herbal medicine, acupuncture, massage and cupping.