Whose calligraphy is this?

Conversely:

Emperor Xuan Tong's regular script Fukang;

Emperor Guangxu's cursive script "Dragon";

Empress Dowager Cixi's regular script "Rich Changchun";

Emperor Tongzhi's regular script "German soldier Zhu Fang";

Emperor Tongzhi wrote "Shou" in regular script.

I hope I can help you.