Minister of the Cao Wei state whose calligraphy bridged clerical script and 楷书 (regular script). Calligraphers pair him with 王羲之 as 钟王, the two great early masters of the art.
Zhōng Yáo de érzi Zhōng Huì yě shì Sānguó shíqī de míngrén.
Zhong Yao's son Zhong Hui was also a famous figure of the Three Kingdoms period.
Tips
culture
A famous story has him spit blood when 韦诞 would not show him 蔡邕's notes on brushwork, then rob Wei's tomb to get them. It cannot be true: Zhong died more than twenty years before Wei.
mistakes
In his name 繇 is read yáo, not yóu. Elsewhere the character is rare: as yáo it is an old form of 徭 'corvée labour', as yóu an old form of 由 'from; cause'.