Karl Emil Malmelin (16 January 1872 – 26 February 1944) was a Finnish farmworker and mass murderer.

Wang Qiang (simplified Chinese: 王强; traditional Chinese: 王強; pinyin: Wáng Qiáng; 16 January 1975 – 17 November 2005) was a Chinese serial killer, rapist, and robber from Liaoning, and one of the most prolific murderers in Chinese history.

Mișu Dulgheru (born Mihai Dulberger; January 16, 1909 – April 11, 2002) was a Romanian communist activist and spy. A clerk by trade, he rose through the secret police as the Romanian Communist Party consolidated its hold on power between 1944 and 1947, while from 1948 through 1952, he played an important role as an officer in the new Securitate.

Ernesto Beckmann Geisel (Portuguese pronunciation: [eʁˈnɛstu ˈbɛk(i)mɐ̃ ˈɡajzew], German pronunciation: [ɛʁˈnɛsto ˈbɛkman ˈɡaɪzl̩]; 3 August 1907 – 12 September 1996) was a Brazilian Army officer and politician, who served as the 29th president of Brazil from 1974 to 1979, during the Brazilian military dictatorship.