What kind of person is Grandpa Yuan Longping in "Dream under the Valley"?

Grandpa Yuan Longping is a peaceful man, but he is also a man who dares to challenge. He has extraordinary innovation courage and dares to be the first in the world. He respects authority, but he is not superstitious about it. He dared to question the authoritative views of foreigners and boldly put forward his own innovative ideas. His scientific topic on the utilization of rice heterosis was put forward under the background of ultra vires. In the three solid and hard years, he starved with the broad masses of the people, but with extraordinary courage, he thought about the challenge of the hungry demon that threatened mankind. Grandpa Yuan Longping's personality value lies in his creative courage to engage in his own career. He always treats himself with a normal heart, keeps the role of a farmer and is not proud of being a scientist. He opened up the field of utilization of rice heterosis in China, and worked hard despite difficulties.