Yang Kaihui
Yáng Kāihuì (courtesy name: Yúnjǐn ; November 6, 1901 – November 14, 1930) was the second wife of Mao Zedong, whom he married in 1920.
She had three children with Mao Zedong:
Mao Anying, Mao Anqing, and Mao Anlong.
Her father was Yang Changji, the head of the Hunan First Normal School and one of Mao’s favorite teachers.
Christopher Shinn
Christopher Shinn is an American playwright.
His play" Dying City"( 2006) was a finalist for the 2008 Pulitzer Prize for Drama, and" Where Do We Live"( 2004) won the 2005 Obie Award, Playwriting.
Emanuel Glicen Romano
Emanuel Glicen Romano or Emanuel Glicenstein( 1897 – 1984) was a painter born in Italy.
He emigrated to America and spent some time in Safed in Israel.
where he organised a museum for his father's work.
Mao Anlong
Mao Anlong was born as the third son of Mao Zedong in 1927 and died in 1931 at the age of 3 or 4.
He was the youngest child of Yang Kaihui to die.
Mao Anying
Mao Anying( 24 November 1922 – 25 November 1950) was the eldest son of Mao Zedong and Yang Kaihui.
Educated in Moscow and a veteran of multiple wars, Mao was killed in action by an air strike during the Korean War.
Mao Anqing
Mao Anqing( 23 November 1924 – 23 March 2007) was the last surviving son of Mao Zedong, chairman of the People's republic of China.
He was the second son of Mao and his wife, Yang Kaihui.
He suffered from a mental illness, possibly schizophrenia.
He worked as a translator and never became active in politics.
He Jian
He Jian( 10 April 1887- 25 April 1956) was a Chinese Nationalist( KMT) general and politician in the Republic of China.
He was governor of Hunan province between 1929 and 1937, and Interior Minister from 1937 to 1939.
He was best known for fighting the Communists, and he once ordered his subordinates to execute Yang Kaihui( Mao Zedong's wife) and Wu Ruolan( Zhu De's wife).
David Shute
David Shute is a British journalist, best known for his work at the BBC.
Andrey Vilkitsky
Andrey Ippolitovich Vilkitsky  was a Russian hydrographer and surveyor.
He was born in the Minsk Governorate.
His son, Boris Vilkitsky followed up his father's work; the Vilkitsky Islands are named after him.
Yang Changji
Yang Changji (21 April 1871 – 17 January 1920) was a Chinese educator, philosopher, and writer.
After advanced studies in Japan and Europe, he taught at Hunan First Normal University, where he exerted considerable influence on Mao Zedong, Cai Hesen, Xiao Zisheng, and others, and then at Peking University.
He became considered one of the leading philosophers of his generation before his early death.

Question: Where does Yang Kaihui's father work at?
Answer: Peking University