Who is Yan delu's calligrapher?

Yan and Yan Weizhan. According to China Calligraphy Association official website.

1. Yan, real name, calligrapher in Fengxian County, Jiangsu Province. At present, he is the vice president of New Chinese Painting Research Institute, the vice director of Chinese Painting Art Committee, the deputy secretary general of China Artists Association, the executive chairman of Dongfanghong Chinese Painting Research Association, the president of Yanzi Culture Research Association of China, and the consultant of Xuzhou Artists Association.

2. Yan Weizhan, male, born in 1957, is a famous calligrapher and a native of Zhengpugang New District, Maanshan City, An Wei. I have been fond of art since I was a child. I studied under Mr. Luo, a national second-class artist from the former province. Now I am the teacher of Mr. Yan, the president of China Painting Academy.