(CNN)Here is a look at former Prime Minister of Malaysia Mahathir Bin Mohamad.
Birth date: December 20, 1925
Birth place: Alur Setar, Kedah
Father: an Indian Muslim, was a teacher in Northern Malaysia
Marriage: Siti Hasmah Ali (1956)
Children: Marina, Mirzan, Melinda, Mokhzani, Mukhriz, Maizura, Mazhar
Education: Entered the King Edward VII College of Medicine in Singapore in 1947
Prime minister of Malaysia from July 1981 to October 2003.
Is a physician, and one of his nicknames is Dr. M.
After losing his first seat in parliament, wrote a book called "The Malay Dilemma." The book contained racist stereotypes, but helped establish Mahathir as an advocate for Malay rights.
Credited with turning Malaysia into a major trading and economic force in southeast Asia.
1946 - Joins the United Malays National Organization (UMNO).
1964 - Is elected to Parliament for the first time.
1969 - Loses his seat in Parliament and is expelled from the UMNO.
1972 - Returns back to UMNO.
1973 - Is appointed a Senator in the Malaysian parliament.
1974 - Is elected as minister of education.
1976 - Becomes deputy prime minister.
July 1981 - Becomes Malaysia's fourth prime minister, minister of home affairs, and minister of justice.
January 1989 - Has heart bypass surgery.
1998 - Dismisses his deputy Anwar Ibrahim and accuses him of sodomy and corruption.
June 2002 - Announces his resignation.
October 16, 2003 - At a 57-nation Islamic summit in Malaysia, Mahathir claims in a speech that Jews "rule the world by proxy. They get others to fight and die for them."
October 31, 2003 - Mahathir retires and passes the prime ministership to his deputy, Abdullah Ahmad Badawi.
September 2007 - Has heart bypass surgery following two heart attacks within 10 months.
May 16, 2008 - The Malaysian government announces it has begun an investigation into corruption by the Mahathir administration in the 1980s and 1990s.
May 19, 2008 - Mahathir resigns from the United Malays National Organization, the ruling party of Malaysia.
December 1, 2013 - Steps down as an adviser to oil and gas company Petronas, due to ill health.