Excuse me, whose inscription is the calligraphy on the cover of Hanwu the Great?

The inscription on the cover of Hanwu the Great was written by Mr. Yan, a famous calligrapher, seal engraver and educator in China. Mr Yan is one of the important representatives of contemporary China calligraphy. He has participated in many national calligraphy competitions and won many honors. His calligraphy works are exquisite in skill, distinctive in personality and strong in sense of the times, and are well received by both inside and outside the industry.