The past few days have been a heavy moment because we lost four pillars of our country in three days. It's really a pity. They have all made great contributions to our country and struggled in their own industries all their lives. In just three days, we lost four great talents and let the people mourn for them. However, our future generations will always remember them and their contribution to our country. We will also cherish the fruits of their labor more.

Xia Dezhao, a famous ophthalmologist in China.

On May 20th, 20021,Xia Dezhao, a famous ophthalmologist in China, died at the age of 104. He is a famous ophthalmologist in China and the founder of Northeast Ophthalmology. China Medical University ophthalmology major, China Journal of Practical Ophthalmology and China Corneal Transplantation were also founded. He has made a lot of progress for the medical level of our country, especially in ophthalmology, and has many monographs and contributions. At the end of his life, he still struggled in the front line of clinical work.

2. Yang Boda, former vice president and cultural expert of the Palace Museum.

Mr Yang Boda died on May 26th, 20265438 at the age of 94. He has been engaged in the research of art cultural relics and art history for more than ten years, and has presided over the appraisal and evaluation of jade jewelry Buddha, Penglai Emerald Wonderland and precious gems. He also wrote more than 50 monographs and 480 papers, which made great contributions to jade jewelry in China.

Wu, the father of hepatobiliary surgery in China.

Mr. Wu passed away on May 22nd, 20021at the age of 99. He is one of the pioneers and main founders of liver surgery in China, and he was the first to put forward China's liver anatomy? Five leaves and four segments? New insights have also created the world's largest liver disease research and diagnosis center, and trained a large number of high-level professionals. Many surgeons are his students, who have been working in the outpatient department, insisting on sitting in the clinic every day and performing surgery every week. His spirit is worth learning from our young people now.

Yuan Longping, the father of hybrid rice.

Grandpa Yuan Longping also died on May 22nd, 20021at the age of 9 1. He and old Wooman Meng Chao died at the same time, and the time between them was only a few minutes. Grandpa Yuan is a pioneer in the research and development of hybrid rice in China, and also the first scientist in the world who successfully utilized the heterosis of rice. Father of hybrid rice. And he has been fighting for it all his life, and he has made a lot of efforts and sacrifices for it.

This is my opinion.